191008420

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1\times {\mathrm{379}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 407554560

約数和(自身を除く): 216546140

約数列:

[1, 2, 4, 5, 10, 20, 113, 223, 226, 379, 446, 452, 565, 758, 892, 1115, 1130, 1516, 1895, 2230, 2260, 3790, 4460, 7580, 25199, 42827, 50398, 84517, 85654, 100796, 125995, 169034, 171308, 214135, 251990, 338068, 422585, 428270, 503980, 845170, 856540, 1690340, 9550421, 19100842, 38201684, 47752105, 95504210, 191008420]

約数ペア:

[(1, 191008420), (2, 95504210), (4, 47752105), (5, 38201684), (10, 19100842), (20, 9550421), (113, 1690340), (223, 856540), (226, 845170), (379, 503980), (446, 428270), (452, 422585), (565, 338068), (758, 251990), (892, 214135), (1115, 171308), (1130, 169034), (1516, 125995), (1895, 100796), (2230, 85654), (2260, 84517), (3790, 50398), (4460, 42827), (7580, 25199)]