202838420

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{3137}}^1$

素因数の和:3260

約数の個数: 48

約数和(自身を含む): 441253008

約数和(自身を除く): 238414588

約数列:

[1, 2, 4, 5, 10, 20, 53, 61, 106, 122, 212, 244, 265, 305, 530, 610, 1060, 1220, 3137, 3233, 6274, 6466, 12548, 12932, 15685, 16165, 31370, 32330, 62740, 64660, 166261, 191357, 332522, 382714, 665044, 765428, 831305, 956785, 1662610, 1913570, 3325220, 3827140, 10141921, 20283842, 40567684, 50709605, 101419210, 202838420]

約数ペア:

[(1, 202838420), (2, 101419210), (4, 50709605), (5, 40567684), (10, 20283842), (20, 10141921), (53, 3827140), (61, 3325220), (106, 1913570), (122, 1662610), (212, 956785), (244, 831305), (265, 765428), (305, 665044), (530, 382714), (610, 332522), (1060, 191357), (1220, 166261), (3137, 64660), (3233, 62740), (6274, 32330), (6466, 31370), (12548, 16165), (12932, 15685)]