2991220400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:380

約数の個数: 240

約数和(自身を含む): 8488290048

約数和(自身を除く): 5497069648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 61, 70, 80, 83, 100, 112, 122, 140, 166, 175, 200, 211, 244, 280, 305, 332, 350, 400, 415, 422, 427, 488, 560, 581, 610, 664, 700, 830, 844, 854, 976, 1055, 1162, 1220, 1328, 1400, 1477, 1525, 1660, 1688, 1708, 2075, 2110, 2135, 2324, 2440, 2800, 2905, 2954, 3050, 3320, 3376, 3416, 4150, 4220, 4270, 4648, 4880, 5063, 5275, 5810, 5908, 6100, 6640, 6832, 7385, 8300, 8440, 8540, 9296, 10126, 10550, 10675, 11620, 11816, 12200, 12871, 14525, 14770, 16600, 16880, 17080, 17513, 20252, 21100, 21350, 23240, 23632, 24400, 25315, 25742, 29050, 29540, 33200, 34160, 35026, 35441, 36925, 40504, 42200, 42700, 46480, 50630, 51484, 58100, 59080, 64355, 70052, 70882, 73850, 81008, 84400, 85400, 87565, 90097, 101260, 102968, 116200, 118160, 122591, 126575, 128710, 140104, 141764, 147700, 170800, 175130, 177205, 180194, 202520, 205936, 232400, 245182, 253150, 257420, 280208, 283528, 295400, 321775, 350260, 354410, 360388, 405040, 437825, 450485, 490364, 506300, 514840, 567056, 590800, 612955, 643550, 700520, 708820, 720776, 875650, 886025, 900970, 980728, 1012600, 1029680, 1068293, 1225910, 1287100, 1401040, 1417640, 1441552, 1751300, 1772050, 1801940, 1961456, 2025200, 2136586, 2252425, 2451820, 2574200, 2835280, 3064775, 3502600, 3544100, 3603880, 4273172, 4504850, 4903640, 5148400, 5341465, 6129550, 7005200, 7088200, 7207760, 7478051, 8546344, 9009700, 9807280, 10682930, 12259100, 14176400, 14956102, 17092688, 18019400, 21365860, 24518200, 26707325, 29912204, 36038800, 37390255, 42731720, 49036400, 53414650, 59824408, 74780510, 85463440, 106829300, 119648816, 149561020, 186951275, 213658600, 299122040, 373902550, 427317200, 598244080, 747805100, 1495610200, 2991220400]

約数ペア:

[(1, 2991220400), (2, 1495610200), (4, 747805100), (5, 598244080), (7, 427317200), (8, 373902550), (10, 299122040), (14, 213658600), (16, 186951275), (20, 149561020), (25, 119648816), (28, 106829300), (35, 85463440), (40, 74780510), (50, 59824408), (56, 53414650), (61, 49036400), (70, 42731720), (80, 37390255), (83, 36038800), (100, 29912204), (112, 26707325), (122, 24518200), (140, 21365860), (166, 18019400), (175, 17092688), (200, 14956102), (211, 14176400), (244, 12259100), (280, 10682930), (305, 9807280), (332, 9009700), (350, 8546344), (400, 7478051), (415, 7207760), (422, 7088200), (427, 7005200), (488, 6129550), (560, 5341465), (581, 5148400), (610, 4903640), (664, 4504850), (700, 4273172), (830, 3603880), (844, 3544100), (854, 3502600), (976, 3064775), (1055, 2835280), (1162, 2574200), (1220, 2451820), (1328, 2252425), (1400, 2136586), (1477, 2025200), (1525, 1961456), (1660, 1801940), (1688, 1772050), (1708, 1751300), (2075, 1441552), (2110, 1417640), (2135, 1401040), (2324, 1287100), (2440, 1225910), (2800, 1068293), (2905, 1029680), (2954, 1012600), (3050, 980728), (3320, 900970), (3376, 886025), (3416, 875650), (4150, 720776), (4220, 708820), (4270, 700520), (4648, 643550), (4880, 612955), (5063, 590800), (5275, 567056), (5810, 514840), (5908, 506300), (6100, 490364), (6640, 450485), (6832, 437825), (7385, 405040), (8300, 360388), (8440, 354410), (8540, 350260), (9296, 321775), (10126, 295400), (10550, 283528), (10675, 280208), (11620, 257420), (11816, 253150), (12200, 245182), (12871, 232400), (14525, 205936), (14770, 202520), (16600, 180194), (16880, 177205), (17080, 175130), (17513, 170800), (20252, 147700), (21100, 141764), (21350, 140104), (23240, 128710), (23632, 126575), (24400, 122591), (25315, 118160), (25742, 116200), (29050, 102968), (29540, 101260), (33200, 90097), (34160, 87565), (35026, 85400), (35441, 84400), (36925, 81008), (40504, 73850), (42200, 70882), (42700, 70052), (46480, 64355), (50630, 59080), (51484, 58100)]