978014920

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{161923}}^1$

素因数の和:162085

約数の個数: 32

約数和(自身を含む): 2215120320

約数和(自身を除く): 1237105400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 6040, 161923, 323846, 647692, 809615, 1295384, 1619230, 3238460, 6476920, 24450373, 48900746, 97801492, 122251865, 195602984, 244503730, 489007460, 978014920]

約数ペア:

[(1, 978014920), (2, 489007460), (4, 244503730), (5, 195602984), (8, 122251865), (10, 97801492), (20, 48900746), (40, 24450373), (151, 6476920), (302, 3238460), (604, 1619230), (755, 1295384), (1208, 809615), (1510, 647692), (3020, 323846), (6040, 161923)]