87557540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{16903}}^1$

素因数の和:16956

約数の個数: 48

約数和(自身を含む): 215830272

約数和(自身を除く): 128272732

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, 16903, 33806, 67612, 84515, 118321, 169030, 236642, 338060, 473284, 591605, 625411, 1183210, 1250822, 2366420, 2501644, 3127055, 4377877, 6254110, 8755754, 12508220, 17511508, 21889385, 43778770, 87557540]

約数ペア:

[(1, 87557540), (2, 43778770), (4, 21889385), (5, 17511508), (7, 12508220), (10, 8755754), (14, 6254110), (20, 4377877), (28, 3127055), (35, 2501644), (37, 2366420), (70, 1250822), (74, 1183210), (140, 625411), (148, 591605), (185, 473284), (259, 338060), (370, 236642), (518, 169030), (740, 118321), (1036, 84515), (1295, 67612), (2590, 33806), (5180, 16903)]