215580400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{647}}^1$

素因数の和:696

約数の個数: 180

約数和(自身を含む): 638918928

約数和(自身を除く): 423338528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 25, 28, 34, 35, 40, 49, 50, 56, 68, 70, 80, 85, 98, 100, 112, 119, 136, 140, 170, 175, 196, 200, 238, 245, 272, 280, 340, 350, 392, 400, 425, 476, 490, 560, 595, 647, 680, 700, 784, 833, 850, 952, 980, 1190, 1225, 1294, 1360, 1400, 1666, 1700, 1904, 1960, 2380, 2450, 2588, 2800, 2975, 3235, 3332, 3400, 3920, 4165, 4529, 4760, 4900, 5176, 5950, 6470, 6664, 6800, 8330, 9058, 9520, 9800, 10352, 10999, 11900, 12940, 13328, 16175, 16660, 18116, 19600, 20825, 21998, 22645, 23800, 25880, 31703, 32350, 33320, 36232, 41650, 43996, 45290, 47600, 51760, 54995, 63406, 64700, 66640, 72464, 76993, 83300, 87992, 90580, 109990, 113225, 126812, 129400, 153986, 158515, 166600, 175984, 181160, 219980, 226450, 253624, 258800, 274975, 307972, 317030, 333200, 362320, 384965, 439960, 452900, 507248, 538951, 549950, 615944, 634060, 769930, 792575, 879920, 905800, 1077902, 1099900, 1231888, 1268120, 1539860, 1585150, 1811600, 1924825, 2155804, 2199800, 2536240, 2694755, 3079720, 3170300, 3849650, 4311608, 4399600, 5389510, 6159440, 6340600, 7699300, 8623216, 10779020, 12681200, 13473775, 15398600, 21558040, 26947550, 30797200, 43116080, 53895100, 107790200, 215580400]

約数ペア:

[(1, 215580400), (2, 107790200), (4, 53895100), (5, 43116080), (7, 30797200), (8, 26947550), (10, 21558040), (14, 15398600), (16, 13473775), (17, 12681200), (20, 10779020), (25, 8623216), (28, 7699300), (34, 6340600), (35, 6159440), (40, 5389510), (49, 4399600), (50, 4311608), (56, 3849650), (68, 3170300), (70, 3079720), (80, 2694755), (85, 2536240), (98, 2199800), (100, 2155804), (112, 1924825), (119, 1811600), (136, 1585150), (140, 1539860), (170, 1268120), (175, 1231888), (196, 1099900), (200, 1077902), (238, 905800), (245, 879920), (272, 792575), (280, 769930), (340, 634060), (350, 615944), (392, 549950), (400, 538951), (425, 507248), (476, 452900), (490, 439960), (560, 384965), (595, 362320), (647, 333200), (680, 317030), (700, 307972), (784, 274975), (833, 258800), (850, 253624), (952, 226450), (980, 219980), (1190, 181160), (1225, 175984), (1294, 166600), (1360, 158515), (1400, 153986), (1666, 129400), (1700, 126812), (1904, 113225), (1960, 109990), (2380, 90580), (2450, 87992), (2588, 83300), (2800, 76993), (2975, 72464), (3235, 66640), (3332, 64700), (3400, 63406), (3920, 54995), (4165, 51760), (4529, 47600), (4760, 45290), (4900, 43996), (5176, 41650), (5950, 36232), (6470, 33320), (6664, 32350), (6800, 31703), (8330, 25880), (9058, 23800), (9520, 22645), (9800, 21998), (10352, 20825), (10999, 19600), (11900, 18116), (12940, 16660), (13328, 16175)]