77231980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{6983}}^1$

素因数の和:7078

約数の個数: 48

約数和(自身を含む): 187729920

約数和(自身を除く): 110497940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 6983, 11060, 13966, 27932, 34915, 48881, 69830, 97762, 139660, 195524, 244405, 488810, 551657, 977620, 1103314, 2206628, 2758285, 3861599, 5516570, 7723198, 11033140, 15446396, 19307995, 38615990, 77231980]

約数ペア:

[(1, 77231980), (2, 38615990), (4, 19307995), (5, 15446396), (7, 11033140), (10, 7723198), (14, 5516570), (20, 3861599), (28, 2758285), (35, 2206628), (70, 1103314), (79, 977620), (140, 551657), (158, 488810), (316, 244405), (395, 195524), (553, 139660), (790, 97762), (1106, 69830), (1580, 48881), (2212, 34915), (2765, 27932), (5530, 13966), (6983, 11060)]