77779780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{1021}}^1$

素因数の和:1336

約数の個数: 48

約数和(自身を含む): 176675184

約数和(自身を除く): 98895404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 293, 586, 1021, 1172, 1465, 2042, 2930, 3809, 4084, 5105, 5860, 7618, 10210, 13273, 15236, 19045, 20420, 26546, 38090, 53092, 66365, 76180, 132730, 265460, 299153, 598306, 1196612, 1495765, 2991530, 3888989, 5983060, 7777978, 15555956, 19444945, 38889890, 77779780]

約数ペア:

[(1, 77779780), (2, 38889890), (4, 19444945), (5, 15555956), (10, 7777978), (13, 5983060), (20, 3888989), (26, 2991530), (52, 1495765), (65, 1196612), (130, 598306), (260, 299153), (293, 265460), (586, 132730), (1021, 76180), (1172, 66365), (1465, 53092), (2042, 38090), (2930, 26546), (3809, 20420), (4084, 19045), (5105, 15236), (5860, 13273), (7618, 10210)]