777140

素因数分解:

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

素因数の和:97

約数の個数: 72

約数和(自身を含む): 2077992

約数和(自身を除く): 1300852

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 61, 65, 70, 91, 98, 122, 130, 140, 182, 196, 244, 245, 260, 305, 364, 427, 455, 490, 610, 637, 793, 854, 910, 980, 1220, 1274, 1586, 1708, 1820, 2135, 2548, 2989, 3172, 3185, 3965, 4270, 5551, 5978, 6370, 7930, 8540, 11102, 11956, 12740, 14945, 15860, 22204, 27755, 29890, 38857, 55510, 59780, 77714, 111020, 155428, 194285, 388570, 777140]

約数ペア:

[(1, 777140), (2, 388570), (4, 194285), (5, 155428), (7, 111020), (10, 77714), (13, 59780), (14, 55510), (20, 38857), (26, 29890), (28, 27755), (35, 22204), (49, 15860), (52, 14945), (61, 12740), (65, 11956), (70, 11102), (91, 8540), (98, 7930), (122, 6370), (130, 5978), (140, 5551), (182, 4270), (196, 3965), (244, 3185), (245, 3172), (260, 2989), (305, 2548), (364, 2135), (427, 1820), (455, 1708), (490, 1586), (610, 1274), (637, 1220), (793, 980), (854, 910)]