71918140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:347

約数の個数: 96

約数和(自身を含む): 181407744

約数和(自身を除く): 109489604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 73, 124, 140, 146, 155, 217, 227, 292, 310, 365, 434, 454, 511, 620, 730, 868, 908, 1022, 1085, 1135, 1460, 1589, 2044, 2170, 2263, 2270, 2555, 3178, 4340, 4526, 4540, 5110, 6356, 7037, 7945, 9052, 10220, 11315, 14074, 15841, 15890, 16571, 22630, 28148, 31682, 31780, 33142, 35185, 45260, 49259, 63364, 66284, 70370, 79205, 82855, 98518, 115997, 140740, 158410, 165710, 197036, 231994, 246295, 316820, 331420, 463988, 492590, 513701, 579985, 985180, 1027402, 1159970, 2054804, 2319940, 2568505, 3595907, 5137010, 7191814, 10274020, 14383628, 17979535, 35959070, 71918140]

約数ペア:

[(1, 71918140), (2, 35959070), (4, 17979535), (5, 14383628), (7, 10274020), (10, 7191814), (14, 5137010), (20, 3595907), (28, 2568505), (31, 2319940), (35, 2054804), (62, 1159970), (70, 1027402), (73, 985180), (124, 579985), (140, 513701), (146, 492590), (155, 463988), (217, 331420), (227, 316820), (292, 246295), (310, 231994), (365, 197036), (434, 165710), (454, 158410), (511, 140740), (620, 115997), (730, 98518), (868, 82855), (908, 79205), (1022, 70370), (1085, 66284), (1135, 63364), (1460, 49259), (1589, 45260), (2044, 35185), (2170, 33142), (2263, 31780), (2270, 31682), (2555, 28148), (3178, 22630), (4340, 16571), (4526, 15890), (4540, 15841), (5110, 14074), (6356, 11315), (7037, 10220), (7945, 9052)]