71213980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 160538112

約数和(自身を除く): 89324132

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 53, 92, 106, 115, 127, 212, 230, 254, 265, 460, 508, 529, 530, 635, 1058, 1060, 1219, 1270, 2116, 2438, 2540, 2645, 2921, 4876, 5290, 5842, 6095, 6731, 10580, 11684, 12190, 13462, 14605, 24380, 26924, 28037, 29210, 33655, 56074, 58420, 67183, 67310, 112148, 134366, 134620, 140185, 154813, 268732, 280370, 309626, 335915, 560740, 619252, 671830, 774065, 1343660, 1548130, 3096260, 3560699, 7121398, 14242796, 17803495, 35606990, 71213980]

約数ペア:

[(1, 71213980), (2, 35606990), (4, 17803495), (5, 14242796), (10, 7121398), (20, 3560699), (23, 3096260), (46, 1548130), (53, 1343660), (92, 774065), (106, 671830), (115, 619252), (127, 560740), (212, 335915), (230, 309626), (254, 280370), (265, 268732), (460, 154813), (508, 140185), (529, 134620), (530, 134366), (635, 112148), (1058, 67310), (1060, 67183), (1219, 58420), (1270, 56074), (2116, 33655), (2438, 29210), (2540, 28037), (2645, 26924), (2921, 24380), (4876, 14605), (5290, 13462), (5842, 12190), (6095, 11684), (6731, 10580)]