87143140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{16823}}^1$

素因数の和:16876

約数の個数: 48

約数和(自身を含む): 214808832

約数和(自身を除く): 127665692

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, 16823, 33646, 67292, 84115, 117761, 168230, 235522, 336460, 471044, 588805, 622451, 1177610, 1244902, 2355220, 2489804, 3112255, 4357157, 6224510, 8714314, 12449020, 17428628, 21785785, 43571570, 87143140]

約数ペア:

[(1, 87143140), (2, 43571570), (4, 21785785), (5, 17428628), (7, 12449020), (10, 8714314), (14, 6224510), (20, 4357157), (28, 3112255), (35, 2489804), (37, 2355220), (70, 1244902), (74, 1177610), (140, 622451), (148, 588805), (185, 471044), (259, 336460), (370, 235522), (518, 168230), (740, 117761), (1036, 84115), (1295, 67292), (2590, 33646), (5180, 16823)]