64434020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1777}}^1$

素因数の和:1837

約数の個数: 72

約数和(自身を含む): 161748216

約数和(自身を除く): 97314196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 370, 490, 518, 740, 980, 1036, 1295, 1777, 1813, 2590, 3554, 3626, 5180, 7108, 7252, 8885, 9065, 12439, 17770, 18130, 24878, 35540, 36260, 49756, 62195, 65749, 87073, 124390, 131498, 174146, 248780, 262996, 328745, 348292, 435365, 460243, 657490, 870730, 920486, 1314980, 1741460, 1840972, 2301215, 3221701, 4602430, 6443402, 9204860, 12886804, 16108505, 32217010, 64434020]

約数ペア:

[(1, 64434020), (2, 32217010), (4, 16108505), (5, 12886804), (7, 9204860), (10, 6443402), (14, 4602430), (20, 3221701), (28, 2301215), (35, 1840972), (37, 1741460), (49, 1314980), (70, 920486), (74, 870730), (98, 657490), (140, 460243), (148, 435365), (185, 348292), (196, 328745), (245, 262996), (259, 248780), (370, 174146), (490, 131498), (518, 124390), (740, 87073), (980, 65749), (1036, 62195), (1295, 49756), (1777, 36260), (1813, 35540), (2590, 24878), (3554, 18130), (3626, 17770), (5180, 12439), (7108, 9065), (7252, 8885)]