28716400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:179

約数の個数: 120

約数和(自身を含む): 75557664

約数和(自身を除く): 46841264

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 41, 50, 68, 80, 82, 85, 100, 103, 136, 164, 170, 200, 205, 206, 272, 328, 340, 400, 410, 412, 425, 515, 656, 680, 697, 820, 824, 850, 1025, 1030, 1360, 1394, 1640, 1648, 1700, 1751, 2050, 2060, 2575, 2788, 3280, 3400, 3485, 3502, 4100, 4120, 4223, 5150, 5576, 6800, 6970, 7004, 8200, 8240, 8446, 8755, 10300, 11152, 13940, 14008, 16400, 16892, 17425, 17510, 20600, 21115, 27880, 28016, 33784, 34850, 35020, 41200, 42230, 43775, 55760, 67568, 69700, 70040, 71791, 84460, 87550, 105575, 139400, 140080, 143582, 168920, 175100, 211150, 278800, 287164, 337840, 350200, 358955, 422300, 574328, 700400, 717910, 844600, 1148656, 1435820, 1689200, 1794775, 2871640, 3589550, 5743280, 7179100, 14358200, 28716400]

約数ペア:

[(1, 28716400), (2, 14358200), (4, 7179100), (5, 5743280), (8, 3589550), (10, 2871640), (16, 1794775), (17, 1689200), (20, 1435820), (25, 1148656), (34, 844600), (40, 717910), (41, 700400), (50, 574328), (68, 422300), (80, 358955), (82, 350200), (85, 337840), (100, 287164), (103, 278800), (136, 211150), (164, 175100), (170, 168920), (200, 143582), (205, 140080), (206, 139400), (272, 105575), (328, 87550), (340, 84460), (400, 71791), (410, 70040), (412, 69700), (425, 67568), (515, 55760), (656, 43775), (680, 42230), (697, 41200), (820, 35020), (824, 34850), (850, 33784), (1025, 28016), (1030, 27880), (1360, 21115), (1394, 20600), (1640, 17510), (1648, 17425), (1700, 16892), (1751, 16400), (2050, 14008), (2060, 13940), (2575, 11152), (2788, 10300), (3280, 8755), (3400, 8446), (3485, 8240), (3502, 8200), (4100, 7004), (4120, 6970), (4223, 6800), (5150, 5576)]