71695220

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{283}}^1$

素因数の和:584

約数の個数: 48

約数和(自身を含む): 154586880

約数和(自身を除く): 82891660

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 239, 265, 283, 478, 530, 566, 956, 1060, 1132, 1195, 1415, 2390, 2830, 4780, 5660, 12667, 14999, 25334, 29998, 50668, 59996, 63335, 67637, 74995, 126670, 135274, 149990, 253340, 270548, 299980, 338185, 676370, 1352740, 3584761, 7169522, 14339044, 17923805, 35847610, 71695220]

約数ペア:

[(1, 71695220), (2, 35847610), (4, 17923805), (5, 14339044), (10, 7169522), (20, 3584761), (53, 1352740), (106, 676370), (212, 338185), (239, 299980), (265, 270548), (283, 253340), (478, 149990), (530, 135274), (566, 126670), (956, 74995), (1060, 67637), (1132, 63335), (1195, 59996), (1415, 50668), (2390, 29998), (2830, 25334), (4780, 14999), (5660, 12667)]