440757070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:290

約数の個数: 96

約数和(自身を含む): 910725120

約数和(自身を除く): 469968050

約数列:

[1, 2, 5, 10, 13, 26, 31, 47, 62, 65, 94, 130, 155, 169, 179, 235, 310, 338, 358, 403, 470, 611, 806, 845, 895, 1222, 1457, 1690, 1790, 2015, 2327, 2914, 3055, 4030, 4654, 5239, 5549, 6110, 7285, 7943, 8413, 10478, 11098, 11635, 14570, 15886, 16826, 18941, 23270, 26195, 27745, 30251, 37882, 39715, 42065, 52390, 55490, 60502, 72137, 79430, 84130, 94705, 109369, 144274, 151255, 189410, 218738, 246233, 260803, 302510, 360685, 492466, 521606, 546845, 721370, 937781, 1093690, 1231165, 1304015, 1421797, 1875562, 2462330, 2608030, 2843594, 3390439, 4688905, 6780878, 7108985, 9377810, 14217970, 16952195, 33904390, 44075707, 88151414, 220378535, 440757070]

約数ペア:

[(1, 440757070), (2, 220378535), (5, 88151414), (10, 44075707), (13, 33904390), (26, 16952195), (31, 14217970), (47, 9377810), (62, 7108985), (65, 6780878), (94, 4688905), (130, 3390439), (155, 2843594), (169, 2608030), (179, 2462330), (235, 1875562), (310, 1421797), (338, 1304015), (358, 1231165), (403, 1093690), (470, 937781), (611, 721370), (806, 546845), (845, 521606), (895, 492466), (1222, 360685), (1457, 302510), (1690, 260803), (1790, 246233), (2015, 218738), (2327, 189410), (2914, 151255), (3055, 144274), (4030, 109369), (4654, 94705), (5239, 84130), (5549, 79430), (6110, 72137), (7285, 60502), (7943, 55490), (8413, 52390), (10478, 42065), (11098, 39715), (11635, 37882), (14570, 30251), (15886, 27745), (16826, 26195), (18941, 23270)]