61920100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{311}}^1$

素因数の和:517

約数の個数: 72

約数和(自身を含む): 147865536

約数和(自身を除く): 85945436

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 181, 220, 275, 311, 362, 550, 622, 724, 905, 1100, 1244, 1555, 1810, 1991, 3110, 3421, 3620, 3982, 4525, 6220, 6842, 7775, 7964, 9050, 9955, 13684, 15550, 17105, 18100, 19910, 31100, 34210, 39820, 49775, 56291, 68420, 85525, 99550, 112582, 171050, 199100, 225164, 281455, 342100, 562910, 619201, 1125820, 1238402, 1407275, 2476804, 2814550, 3096005, 5629100, 6192010, 12384020, 15480025, 30960050, 61920100]

約数ペア:

[(1, 61920100), (2, 30960050), (4, 15480025), (5, 12384020), (10, 6192010), (11, 5629100), (20, 3096005), (22, 2814550), (25, 2476804), (44, 1407275), (50, 1238402), (55, 1125820), (100, 619201), (110, 562910), (181, 342100), (220, 281455), (275, 225164), (311, 199100), (362, 171050), (550, 112582), (622, 99550), (724, 85525), (905, 68420), (1100, 56291), (1244, 49775), (1555, 39820), (1810, 34210), (1991, 31100), (3110, 19910), (3421, 18100), (3620, 17105), (3982, 15550), (4525, 13684), (6220, 9955), (6842, 9050), (7775, 7964)]