71913940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{13883}}^1$

素因数の和:13936

約数の個数: 48

約数和(自身を含む): 177270912

約数和(自身を除く): 105356972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 13883, 27766, 55532, 69415, 97181, 138830, 194362, 277660, 388724, 485905, 513671, 971810, 1027342, 1943620, 2054684, 2568355, 3595697, 5136710, 7191394, 10273420, 14382788, 17978485, 35956970, 71913940]

約数ペア:

[(1, 71913940), (2, 35956970), (4, 17978485), (5, 14382788), (7, 10273420), (10, 7191394), (14, 5136710), (20, 3595697), (28, 2568355), (35, 2054684), (37, 1943620), (70, 1027342), (74, 971810), (140, 513671), (148, 485905), (185, 388724), (259, 277660), (370, 194362), (518, 138830), (740, 97181), (1036, 69415), (1295, 55532), (2590, 27766), (5180, 13883)]