71307880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{6883}}^1$

素因数の和:6938

約数の個数: 64

約数和(自身を含む): 188346240

約数和(自身を除く): 117038360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 5180, 6883, 10360, 13766, 27532, 34415, 48181, 55064, 68830, 96362, 137660, 192724, 240905, 254671, 275320, 385448, 481810, 509342, 963620, 1018684, 1273355, 1782697, 1927240, 2037368, 2546710, 3565394, 5093420, 7130788, 8913485, 10186840, 14261576, 17826970, 35653940, 71307880]

約数ペア:

[(1, 71307880), (2, 35653940), (4, 17826970), (5, 14261576), (7, 10186840), (8, 8913485), (10, 7130788), (14, 5093420), (20, 3565394), (28, 2546710), (35, 2037368), (37, 1927240), (40, 1782697), (56, 1273355), (70, 1018684), (74, 963620), (140, 509342), (148, 481810), (185, 385448), (259, 275320), (280, 254671), (296, 240905), (370, 192724), (518, 137660), (740, 96362), (1036, 68830), (1295, 55064), (1480, 48181), (2072, 34415), (2590, 27532), (5180, 13766), (6883, 10360)]