157474940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1031}}^1\times {\mathrm{1091}}^1$

素因数の和:2138

約数の個数: 48

約数和(自身を含む): 378653184

約数和(自身を除く): 221178244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1031, 1091, 2062, 2182, 4124, 4364, 5155, 5455, 7217, 7637, 10310, 10910, 14434, 15274, 20620, 21820, 28868, 30548, 36085, 38185, 72170, 76370, 144340, 152740, 1124821, 2249642, 4499284, 5624105, 7873747, 11248210, 15747494, 22496420, 31494988, 39368735, 78737470, 157474940]

約数ペア:

[(1, 157474940), (2, 78737470), (4, 39368735), (5, 31494988), (7, 22496420), (10, 15747494), (14, 11248210), (20, 7873747), (28, 5624105), (35, 4499284), (70, 2249642), (140, 1124821), (1031, 152740), (1091, 144340), (2062, 76370), (2182, 72170), (4124, 38185), (4364, 36085), (5155, 30548), (5455, 28868), (7217, 21820), (7637, 20620), (10310, 15274), (10910, 14434)]