351310000

素因数分解:

$2^4\times 5^4\times {\mathrm{19}}^1\times {\mathrm{43}}^2$

素因数の和:133

約数の個数: 150

約数和(自身を含む): 916628460

約数和(自身を除く): 565318460

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 43, 50, 76, 80, 86, 95, 100, 125, 152, 172, 190, 200, 215, 250, 304, 344, 380, 400, 430, 475, 500, 625, 688, 760, 817, 860, 950, 1000, 1075, 1250, 1520, 1634, 1720, 1849, 1900, 2000, 2150, 2375, 2500, 3268, 3440, 3698, 3800, 4085, 4300, 4750, 5000, 5375, 6536, 7396, 7600, 8170, 8600, 9245, 9500, 10000, 10750, 11875, 13072, 14792, 16340, 17200, 18490, 19000, 20425, 21500, 23750, 26875, 29584, 32680, 35131, 36980, 38000, 40850, 43000, 46225, 47500, 53750, 65360, 70262, 73960, 81700, 86000, 92450, 95000, 102125, 107500, 140524, 147920, 163400, 175655, 184900, 190000, 204250, 215000, 231125, 281048, 326800, 351310, 369800, 408500, 430000, 462250, 510625, 562096, 702620, 739600, 817000, 878275, 924500, 1021250, 1155625, 1405240, 1634000, 1756550, 1849000, 2042500, 2311250, 2810480, 3513100, 3698000, 4085000, 4391375, 4622500, 7026200, 8170000, 8782750, 9245000, 14052400, 17565500, 18490000, 21956875, 35131000, 43913750, 70262000, 87827500, 175655000, 351310000]

約数ペア:

[(1, 351310000), (2, 175655000), (4, 87827500), (5, 70262000), (8, 43913750), (10, 35131000), (16, 21956875), (19, 18490000), (20, 17565500), (25, 14052400), (38, 9245000), (40, 8782750), (43, 8170000), (50, 7026200), (76, 4622500), (80, 4391375), (86, 4085000), (95, 3698000), (100, 3513100), (125, 2810480), (152, 2311250), (172, 2042500), (190, 1849000), (200, 1756550), (215, 1634000), (250, 1405240), (304, 1155625), (344, 1021250), (380, 924500), (400, 878275), (430, 817000), (475, 739600), (500, 702620), (625, 562096), (688, 510625), (760, 462250), (817, 430000), (860, 408500), (950, 369800), (1000, 351310), (1075, 326800), (1250, 281048), (1520, 231125), (1634, 215000), (1720, 204250), (1849, 190000), (1900, 184900), (2000, 175655), (2150, 163400), (2375, 147920), (2500, 140524), (3268, 107500), (3440, 102125), (3698, 95000), (3800, 92450), (4085, 86000), (4300, 81700), (4750, 73960), (5000, 70262), (5375, 65360), (6536, 53750), (7396, 47500), (7600, 46225), (8170, 43000), (8600, 40850), (9245, 38000), (9500, 36980), (10000, 35131), (10750, 32680), (11875, 29584), (13072, 26875), (14792, 23750), (16340, 21500), (17200, 20425), (18490, 19000)]