70485940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:305

約数の個数: 96

約数和(自身を含む): 177408000

約数和(自身を除く): 106922060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 109, 124, 140, 149, 155, 217, 218, 298, 310, 434, 436, 545, 596, 620, 745, 763, 868, 1043, 1085, 1090, 1490, 1526, 2086, 2170, 2180, 2980, 3052, 3379, 3815, 4172, 4340, 4619, 5215, 6758, 7630, 9238, 10430, 13516, 15260, 16241, 16895, 18476, 20860, 23095, 23653, 32333, 32482, 33790, 46190, 47306, 64666, 64964, 67580, 81205, 92380, 94612, 113687, 118265, 129332, 161665, 162410, 227374, 236530, 323330, 324820, 454748, 473060, 503471, 568435, 646660, 1006942, 1136870, 2013884, 2273740, 2517355, 3524297, 5034710, 7048594, 10069420, 14097188, 17621485, 35242970, 70485940]

約数ペア:

[(1, 70485940), (2, 35242970), (4, 17621485), (5, 14097188), (7, 10069420), (10, 7048594), (14, 5034710), (20, 3524297), (28, 2517355), (31, 2273740), (35, 2013884), (62, 1136870), (70, 1006942), (109, 646660), (124, 568435), (140, 503471), (149, 473060), (155, 454748), (217, 324820), (218, 323330), (298, 236530), (310, 227374), (434, 162410), (436, 161665), (545, 129332), (596, 118265), (620, 113687), (745, 94612), (763, 92380), (868, 81205), (1043, 67580), (1085, 64964), (1090, 64666), (1490, 47306), (1526, 46190), (2086, 33790), (2170, 32482), (2180, 32333), (2980, 23653), (3052, 23095), (3379, 20860), (3815, 18476), (4172, 16895), (4340, 16241), (4619, 15260), (5215, 13516), (6758, 10430), (7630, 9238)]