249753420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{523}}^1$

素因数の和:924

約数の個数: 144

約数和(自身を含む): 869756160

約数和(自身を除く): 620002740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 379, 420, 523, 630, 758, 1046, 1137, 1260, 1516, 1569, 1895, 2092, 2274, 2615, 2653, 3138, 3411, 3661, 3790, 4548, 4707, 5230, 5306, 5685, 6276, 6822, 7322, 7580, 7845, 7959, 9414, 10460, 10612, 10983, 11370, 13265, 13644, 14644, 15690, 15918, 17055, 18305, 18828, 21966, 22740, 23535, 23877, 26530, 31380, 31836, 32949, 34110, 36610, 39795, 43932, 47070, 47754, 53060, 54915, 65898, 68220, 73220, 79590, 94140, 95508, 109830, 119385, 131796, 159180, 164745, 198217, 219660, 238770, 329490, 396434, 477540, 594651, 658980, 792868, 991085, 1189302, 1387519, 1783953, 1982170, 2378604, 2775038, 2973255, 3567906, 3964340, 4162557, 5550076, 5946510, 6937595, 7135812, 8325114, 8919765, 11893020, 12487671, 13875190, 16650228, 17839530, 20812785, 24975342, 27750380, 35679060, 41625570, 49950684, 62438355, 83251140, 124876710, 249753420]

約数ペア:

[(1, 249753420), (2, 124876710), (3, 83251140), (4, 62438355), (5, 49950684), (6, 41625570), (7, 35679060), (9, 27750380), (10, 24975342), (12, 20812785), (14, 17839530), (15, 16650228), (18, 13875190), (20, 12487671), (21, 11893020), (28, 8919765), (30, 8325114), (35, 7135812), (36, 6937595), (42, 5946510), (45, 5550076), (60, 4162557), (63, 3964340), (70, 3567906), (84, 2973255), (90, 2775038), (105, 2378604), (126, 1982170), (140, 1783953), (180, 1387519), (210, 1189302), (252, 991085), (315, 792868), (379, 658980), (420, 594651), (523, 477540), (630, 396434), (758, 329490), (1046, 238770), (1137, 219660), (1260, 198217), (1516, 164745), (1569, 159180), (1895, 131796), (2092, 119385), (2274, 109830), (2615, 95508), (2653, 94140), (3138, 79590), (3411, 73220), (3661, 68220), (3790, 65898), (4548, 54915), (4707, 53060), (5230, 47754), (5306, 47070), (5685, 43932), (6276, 39795), (6822, 36610), (7322, 34110), (7580, 32949), (7845, 31836), (7959, 31380), (9414, 26530), (10460, 23877), (10612, 23535), (10983, 22740), (11370, 21966), (13265, 18828), (13644, 18305), (14644, 17055), (15690, 15918)]