66672740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{827}}^1$

素因数の和:1004

約数の個数: 48

約数和(自身を含む): 146059200

約数和(自身を除く): 79386460

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 139, 145, 278, 290, 556, 580, 695, 827, 1390, 1654, 2780, 3308, 4031, 4135, 8062, 8270, 16124, 16540, 20155, 23983, 40310, 47966, 80620, 95932, 114953, 119915, 229906, 239830, 459812, 479660, 574765, 1149530, 2299060, 3333637, 6667274, 13334548, 16668185, 33336370, 66672740]

約数ペア:

[(1, 66672740), (2, 33336370), (4, 16668185), (5, 13334548), (10, 6667274), (20, 3333637), (29, 2299060), (58, 1149530), (116, 574765), (139, 479660), (145, 459812), (278, 239830), (290, 229906), (556, 119915), (580, 114953), (695, 95932), (827, 80620), (1390, 47966), (1654, 40310), (2780, 23983), (3308, 20155), (4031, 16540), (4135, 16124), (8062, 8270)]