87753820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{56983}}^1$

素因数の和:57010

約数の個数: 48

約数和(自身を含む): 229759488

約数和(自身を除く): 142005668

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 56983, 113966, 227932, 284915, 398881, 569830, 626813, 797762, 1139660, 1253626, 1595524, 1994405, 2507252, 3134065, 3988810, 4387691, 6268130, 7977620, 8775382, 12536260, 17550764, 21938455, 43876910, 87753820]

約数ペア:

[(1, 87753820), (2, 43876910), (4, 21938455), (5, 17550764), (7, 12536260), (10, 8775382), (11, 7977620), (14, 6268130), (20, 4387691), (22, 3988810), (28, 3134065), (35, 2507252), (44, 1994405), (55, 1595524), (70, 1253626), (77, 1139660), (110, 797762), (140, 626813), (154, 569830), (220, 398881), (308, 284915), (385, 227932), (770, 113966), (1540, 56983)]