1900405020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{7877}}^1\times {\mathrm{4021}}^1$

素因数の和:11910

約数の個数: 48

約数和(自身を含む): 5323133088

約数和(自身を除く): 3422728068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4021, 7877, 8042, 12063, 15754, 16084, 20105, 23631, 24126, 31508, 39385, 40210, 47262, 48252, 60315, 78770, 80420, 94524, 118155, 120630, 157540, 236310, 241260, 472620, 31673417, 63346834, 95020251, 126693668, 158367085, 190040502, 316734170, 380081004, 475101255, 633468340, 950202510, 1900405020]

約数ペア:

[(1, 1900405020), (2, 950202510), (3, 633468340), (4, 475101255), (5, 380081004), (6, 316734170), (10, 190040502), (12, 158367085), (15, 126693668), (20, 95020251), (30, 63346834), (60, 31673417), (4021, 472620), (7877, 241260), (8042, 236310), (12063, 157540), (15754, 120630), (16084, 118155), (20105, 94524), (23631, 80420), (24126, 78770), (31508, 60315), (39385, 48252), (40210, 47262)]