440126800

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{571}}^1$

素因数の和:677

約数の個数: 120

約数和(自身を含む): 1108179072

約数和(自身を除く): 668052272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 47, 50, 80, 82, 94, 100, 164, 188, 200, 205, 235, 328, 376, 400, 410, 470, 571, 656, 752, 820, 940, 1025, 1142, 1175, 1640, 1880, 1927, 2050, 2284, 2350, 2855, 3280, 3760, 3854, 4100, 4568, 4700, 5710, 7708, 8200, 9136, 9400, 9635, 11420, 14275, 15416, 16400, 18800, 19270, 22840, 23411, 26837, 28550, 30832, 38540, 45680, 46822, 48175, 53674, 57100, 77080, 93644, 96350, 107348, 114200, 117055, 134185, 154160, 187288, 192700, 214696, 228400, 234110, 268370, 374576, 385400, 429392, 468220, 536740, 585275, 670925, 770800, 936440, 1073480, 1100317, 1170550, 1341850, 1872880, 2146960, 2200634, 2341100, 2683700, 4401268, 4682200, 5367400, 5501585, 8802536, 9364400, 10734800, 11003170, 17605072, 22006340, 27507925, 44012680, 55015850, 88025360, 110031700, 220063400, 440126800]

約数ペア:

[(1, 440126800), (2, 220063400), (4, 110031700), (5, 88025360), (8, 55015850), (10, 44012680), (16, 27507925), (20, 22006340), (25, 17605072), (40, 11003170), (41, 10734800), (47, 9364400), (50, 8802536), (80, 5501585), (82, 5367400), (94, 4682200), (100, 4401268), (164, 2683700), (188, 2341100), (200, 2200634), (205, 2146960), (235, 1872880), (328, 1341850), (376, 1170550), (400, 1100317), (410, 1073480), (470, 936440), (571, 770800), (656, 670925), (752, 585275), (820, 536740), (940, 468220), (1025, 429392), (1142, 385400), (1175, 374576), (1640, 268370), (1880, 234110), (1927, 228400), (2050, 214696), (2284, 192700), (2350, 187288), (2855, 154160), (3280, 134185), (3760, 117055), (3854, 114200), (4100, 107348), (4568, 96350), (4700, 93644), (5710, 77080), (7708, 57100), (8200, 53674), (9136, 48175), (9400, 46822), (9635, 45680), (11420, 38540), (14275, 30832), (15416, 28550), (16400, 26837), (18800, 23411), (19270, 22840)]