492790090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:631

約数の個数: 64

約数和(自身を含む): 977961600

約数和(自身を除く): 485171510

約数列:

[1, 2, 5, 10, 13, 26, 65, 83, 109, 130, 166, 218, 415, 419, 545, 830, 838, 1079, 1090, 1417, 2095, 2158, 2834, 4190, 5395, 5447, 7085, 9047, 10790, 10894, 14170, 18094, 27235, 34777, 45235, 45671, 54470, 69554, 90470, 91342, 117611, 173885, 228355, 235222, 347770, 452101, 456710, 588055, 593723, 904202, 1176110, 1187446, 2260505, 2968615, 3790693, 4521010, 5937230, 7581386, 18953465, 37906930, 49279009, 98558018, 246395045, 492790090]

約数ペア:

[(1, 492790090), (2, 246395045), (5, 98558018), (10, 49279009), (13, 37906930), (26, 18953465), (65, 7581386), (83, 5937230), (109, 4521010), (130, 3790693), (166, 2968615), (218, 2260505), (415, 1187446), (419, 1176110), (545, 904202), (830, 593723), (838, 588055), (1079, 456710), (1090, 452101), (1417, 347770), (2095, 235222), (2158, 228355), (2834, 173885), (4190, 117611), (5395, 91342), (5447, 90470), (7085, 69554), (9047, 54470), (10790, 45671), (10894, 45235), (14170, 34777), (18094, 27235)]