250001460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1019}}^1$

素因数の和:1110

約数の個数: 144

約数和(自身を含む): 801964800

約数和(自身を除く): 551963340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 47, 58, 60, 87, 90, 94, 116, 141, 145, 174, 180, 188, 235, 261, 282, 290, 348, 423, 435, 470, 522, 564, 580, 705, 846, 870, 940, 1019, 1044, 1305, 1363, 1410, 1692, 1740, 2038, 2115, 2610, 2726, 2820, 3057, 4076, 4089, 4230, 5095, 5220, 5452, 6114, 6815, 8178, 8460, 9171, 10190, 12228, 12267, 13630, 15285, 16356, 18342, 20380, 20445, 24534, 27260, 29551, 30570, 36684, 40890, 45855, 47893, 49068, 59102, 61140, 61335, 81780, 88653, 91710, 95786, 118204, 122670, 143679, 147755, 177306, 183420, 191572, 239465, 245340, 265959, 287358, 295510, 354612, 431037, 443265, 478930, 531918, 574716, 591020, 718395, 862074, 886530, 957860, 1063836, 1329795, 1388897, 1436790, 1724148, 1773060, 2155185, 2659590, 2777794, 2873580, 4166691, 4310370, 5319180, 5555588, 6944485, 8333382, 8620740, 12500073, 13888970, 16666764, 20833455, 25000146, 27777940, 41666910, 50000292, 62500365, 83333820, 125000730, 250001460]

約数ペア:

[(1, 250001460), (2, 125000730), (3, 83333820), (4, 62500365), (5, 50000292), (6, 41666910), (9, 27777940), (10, 25000146), (12, 20833455), (15, 16666764), (18, 13888970), (20, 12500073), (29, 8620740), (30, 8333382), (36, 6944485), (45, 5555588), (47, 5319180), (58, 4310370), (60, 4166691), (87, 2873580), (90, 2777794), (94, 2659590), (116, 2155185), (141, 1773060), (145, 1724148), (174, 1436790), (180, 1388897), (188, 1329795), (235, 1063836), (261, 957860), (282, 886530), (290, 862074), (348, 718395), (423, 591020), (435, 574716), (470, 531918), (522, 478930), (564, 443265), (580, 431037), (705, 354612), (846, 295510), (870, 287358), (940, 265959), (1019, 245340), (1044, 239465), (1305, 191572), (1363, 183420), (1410, 177306), (1692, 147755), (1740, 143679), (2038, 122670), (2115, 118204), (2610, 95786), (2726, 91710), (2820, 88653), (3057, 81780), (4076, 61335), (4089, 61140), (4230, 59102), (5095, 49068), (5220, 47893), (5452, 45855), (6114, 40890), (6815, 36684), (8178, 30570), (8460, 29551), (9171, 27260), (10190, 24534), (12228, 20445), (12267, 20380), (13630, 18342), (15285, 16356)]