7771400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:104

約数の個数: 144

約数和(自身を含む): 23006340

約数和(自身を除く): 15234940

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 49, 50, 52, 56, 61, 65, 70, 91, 98, 100, 104, 122, 130, 140, 175, 182, 196, 200, 244, 245, 260, 280, 305, 325, 350, 364, 392, 427, 455, 488, 490, 520, 610, 637, 650, 700, 728, 793, 854, 910, 980, 1220, 1225, 1274, 1300, 1400, 1525, 1586, 1708, 1820, 1960, 2135, 2275, 2440, 2450, 2548, 2600, 2989, 3050, 3172, 3185, 3416, 3640, 3965, 4270, 4550, 4900, 5096, 5551, 5978, 6100, 6344, 6370, 7930, 8540, 9100, 9800, 10675, 11102, 11956, 12200, 12740, 14945, 15860, 15925, 17080, 18200, 19825, 21350, 22204, 23912, 25480, 27755, 29890, 31720, 31850, 38857, 39650, 42700, 44408, 55510, 59780, 63700, 74725, 77714, 79300, 85400, 111020, 119560, 127400, 138775, 149450, 155428, 158600, 194285, 222040, 277550, 298900, 310856, 388570, 555100, 597800, 777140, 971425, 1110200, 1554280, 1942850, 3885700, 7771400]

約数ペア:

[(1, 7771400), (2, 3885700), (4, 1942850), (5, 1554280), (7, 1110200), (8, 971425), (10, 777140), (13, 597800), (14, 555100), (20, 388570), (25, 310856), (26, 298900), (28, 277550), (35, 222040), (40, 194285), (49, 158600), (50, 155428), (52, 149450), (56, 138775), (61, 127400), (65, 119560), (70, 111020), (91, 85400), (98, 79300), (100, 77714), (104, 74725), (122, 63700), (130, 59780), (140, 55510), (175, 44408), (182, 42700), (196, 39650), (200, 38857), (244, 31850), (245, 31720), (260, 29890), (280, 27755), (305, 25480), (325, 23912), (350, 22204), (364, 21350), (392, 19825), (427, 18200), (455, 17080), (488, 15925), (490, 15860), (520, 14945), (610, 12740), (637, 12200), (650, 11956), (700, 11102), (728, 10675), (793, 9800), (854, 9100), (910, 8540), (980, 7930), (1220, 6370), (1225, 6344), (1274, 6100), (1300, 5978), (1400, 5551), (1525, 5096), (1586, 4900), (1708, 4550), (1820, 4270), (1960, 3965), (2135, 3640), (2275, 3416), (2440, 3185), (2450, 3172), (2548, 3050), (2600, 2989)]