249557620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{431}}^1$

素因数の和:601

約数の個数: 96

約数和(自身を含む): 603542016

約数和(自身を除く): 353984396

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 131, 170, 221, 260, 262, 340, 431, 442, 524, 655, 862, 884, 1105, 1310, 1703, 1724, 2155, 2210, 2227, 2620, 3406, 4310, 4420, 4454, 5603, 6812, 7327, 8515, 8620, 8908, 11135, 11206, 14654, 17030, 22270, 22412, 28015, 28951, 29308, 34060, 36635, 44540, 56030, 56461, 57902, 73270, 95251, 112060, 112922, 115804, 144755, 146540, 190502, 225844, 282305, 289510, 381004, 476255, 564610, 579020, 733993, 952510, 959837, 1129220, 1467986, 1905020, 1919674, 2935972, 3669965, 3839348, 4799185, 7339930, 9598370, 12477881, 14679860, 19196740, 24955762, 49911524, 62389405, 124778810, 249557620]

約数ペア:

[(1, 249557620), (2, 124778810), (4, 62389405), (5, 49911524), (10, 24955762), (13, 19196740), (17, 14679860), (20, 12477881), (26, 9598370), (34, 7339930), (52, 4799185), (65, 3839348), (68, 3669965), (85, 2935972), (130, 1919674), (131, 1905020), (170, 1467986), (221, 1129220), (260, 959837), (262, 952510), (340, 733993), (431, 579020), (442, 564610), (524, 476255), (655, 381004), (862, 289510), (884, 282305), (1105, 225844), (1310, 190502), (1703, 146540), (1724, 144755), (2155, 115804), (2210, 112922), (2227, 112060), (2620, 95251), (3406, 73270), (4310, 57902), (4420, 56461), (4454, 56030), (5603, 44540), (6812, 36635), (7327, 34060), (8515, 29308), (8620, 28951), (8908, 28015), (11135, 22412), (11206, 22270), (14654, 17030)]