75002420

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{409}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 161799120

約数和(自身を除く): 86796700

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 173, 212, 265, 346, 409, 530, 692, 818, 865, 1060, 1636, 1730, 2045, 3460, 4090, 8180, 9169, 18338, 21677, 36676, 43354, 45845, 70757, 86708, 91690, 108385, 141514, 183380, 216770, 283028, 353785, 433540, 707570, 1415140, 3750121, 7500242, 15000484, 18750605, 37501210, 75002420]

約数ペア:

[(1, 75002420), (2, 37501210), (4, 18750605), (5, 15000484), (10, 7500242), (20, 3750121), (53, 1415140), (106, 707570), (173, 433540), (212, 353785), (265, 283028), (346, 216770), (409, 183380), (530, 141514), (692, 108385), (818, 91690), (865, 86708), (1060, 70757), (1636, 45845), (1730, 43354), (2045, 36676), (3460, 21677), (4090, 18338), (8180, 9169)]