505898920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{233}}^1$

素因数の和:395

約数の個数: 128

約数和(自身を含む): 1261578240

約数和(自身を除く): 755679320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 103, 124, 136, 155, 170, 206, 233, 248, 310, 340, 412, 466, 515, 527, 620, 680, 824, 932, 1030, 1054, 1165, 1240, 1751, 1864, 2060, 2108, 2330, 2635, 3193, 3502, 3961, 4120, 4216, 4660, 5270, 6386, 7004, 7223, 7922, 8755, 9320, 10540, 12772, 14008, 14446, 15844, 15965, 17510, 19805, 21080, 23999, 25544, 28892, 31688, 31930, 35020, 36115, 39610, 47998, 54281, 57784, 63860, 70040, 72230, 79220, 95996, 108562, 119995, 122791, 127720, 144460, 158440, 191992, 217124, 239990, 245582, 271405, 288920, 407983, 434248, 479980, 491164, 542810, 613955, 743969, 815966, 959960, 982328, 1085620, 1227910, 1487938, 1631932, 2039915, 2171240, 2455820, 2975876, 3263864, 3719845, 4079830, 4911640, 5951752, 7439690, 8159660, 12647473, 14879380, 16319320, 25294946, 29758760, 50589892, 63237365, 101179784, 126474730, 252949460, 505898920]

約数ペア:

[(1, 505898920), (2, 252949460), (4, 126474730), (5, 101179784), (8, 63237365), (10, 50589892), (17, 29758760), (20, 25294946), (31, 16319320), (34, 14879380), (40, 12647473), (62, 8159660), (68, 7439690), (85, 5951752), (103, 4911640), (124, 4079830), (136, 3719845), (155, 3263864), (170, 2975876), (206, 2455820), (233, 2171240), (248, 2039915), (310, 1631932), (340, 1487938), (412, 1227910), (466, 1085620), (515, 982328), (527, 959960), (620, 815966), (680, 743969), (824, 613955), (932, 542810), (1030, 491164), (1054, 479980), (1165, 434248), (1240, 407983), (1751, 288920), (1864, 271405), (2060, 245582), (2108, 239990), (2330, 217124), (2635, 191992), (3193, 158440), (3502, 144460), (3961, 127720), (4120, 122791), (4216, 119995), (4660, 108562), (5270, 95996), (6386, 79220), (7004, 72230), (7223, 70040), (7922, 63860), (8755, 57784), (9320, 54281), (10540, 47998), (12772, 39610), (14008, 36115), (14446, 35020), (15844, 31930), (15965, 31688), (17510, 28892), (19805, 25544), (21080, 23999)]