31497620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:321

約数の個数: 96

約数和(自身を含む): 83655936

約数和(自身を除く): 52158316

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 113, 140, 154, 181, 220, 226, 308, 362, 385, 452, 565, 724, 770, 791, 905, 1130, 1243, 1267, 1540, 1582, 1810, 1991, 2260, 2486, 2534, 3164, 3620, 3955, 3982, 4972, 5068, 6215, 6335, 7910, 7964, 8701, 9955, 12430, 12670, 13937, 15820, 17402, 19910, 20453, 24860, 25340, 27874, 34804, 39820, 40906, 43505, 55748, 69685, 81812, 87010, 102265, 139370, 143171, 174020, 204530, 224983, 278740, 286342, 409060, 449966, 572684, 715855, 899932, 1124915, 1431710, 1574881, 2249830, 2863420, 3149762, 4499660, 6299524, 7874405, 15748810, 31497620]

約数ペア:

[(1, 31497620), (2, 15748810), (4, 7874405), (5, 6299524), (7, 4499660), (10, 3149762), (11, 2863420), (14, 2249830), (20, 1574881), (22, 1431710), (28, 1124915), (35, 899932), (44, 715855), (55, 572684), (70, 449966), (77, 409060), (110, 286342), (113, 278740), (140, 224983), (154, 204530), (181, 174020), (220, 143171), (226, 139370), (308, 102265), (362, 87010), (385, 81812), (452, 69685), (565, 55748), (724, 43505), (770, 40906), (791, 39820), (905, 34804), (1130, 27874), (1243, 25340), (1267, 24860), (1540, 20453), (1582, 19910), (1810, 17402), (1991, 15820), (2260, 13937), (2486, 12670), (2534, 12430), (3164, 9955), (3620, 8701), (3955, 7964), (3982, 7910), (4972, 6335), (5068, 6215)]