748102420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^2$

素因数の和:541

約数の個数: 72

約数和(自身を含む): 1731214296

約数和(自身を除く): 983111876

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 233, 260, 265, 466, 530, 689, 932, 1060, 1165, 1378, 2330, 2756, 3029, 3445, 4660, 6058, 6890, 12116, 12349, 13780, 15145, 24698, 30290, 49396, 54289, 60580, 61745, 108578, 123490, 160537, 217156, 246980, 271445, 321074, 542890, 642148, 705757, 802685, 1085780, 1411514, 1605370, 2823028, 2877317, 3210740, 3528785, 5754634, 7057570, 11509268, 14115140, 14386585, 28773170, 37405121, 57546340, 74810242, 149620484, 187025605, 374051210, 748102420]

約数ペア:

[(1, 748102420), (2, 374051210), (4, 187025605), (5, 149620484), (10, 74810242), (13, 57546340), (20, 37405121), (26, 28773170), (52, 14386585), (53, 14115140), (65, 11509268), (106, 7057570), (130, 5754634), (212, 3528785), (233, 3210740), (260, 2877317), (265, 2823028), (466, 1605370), (530, 1411514), (689, 1085780), (932, 802685), (1060, 705757), (1165, 642148), (1378, 542890), (2330, 321074), (2756, 271445), (3029, 246980), (3445, 217156), (4660, 160537), (6058, 123490), (6890, 108578), (12116, 61745), (12349, 60580), (13780, 54289), (15145, 49396), (24698, 30290)]