494146840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:425

約数の個数: 128

約数和(自身を含む): 1260748800

約数和(自身を除く): 766601960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 127, 148, 185, 220, 239, 254, 296, 370, 407, 440, 478, 508, 635, 740, 814, 956, 1016, 1195, 1270, 1397, 1480, 1628, 1912, 2035, 2390, 2540, 2629, 2794, 3256, 4070, 4699, 4780, 5080, 5258, 5588, 6985, 8140, 8843, 9398, 9560, 10516, 11176, 13145, 13970, 16280, 17686, 18796, 21032, 23495, 26290, 27940, 30353, 35372, 37592, 44215, 46990, 51689, 52580, 55880, 60706, 70744, 88430, 93980, 97273, 103378, 105160, 121412, 151765, 176860, 187960, 194546, 206756, 242824, 258445, 303530, 333883, 353720, 389092, 413512, 486365, 516890, 607060, 667766, 778184, 972730, 1033780, 1123061, 1214120, 1335532, 1669415, 1945460, 2067560, 2246122, 2671064, 3338830, 3890920, 4492244, 5615305, 6677660, 8984488, 11230610, 12353671, 13355320, 22461220, 24707342, 44922440, 49414684, 61768355, 98829368, 123536710, 247073420, 494146840]

約数ペア:

[(1, 494146840), (2, 247073420), (4, 123536710), (5, 98829368), (8, 61768355), (10, 49414684), (11, 44922440), (20, 24707342), (22, 22461220), (37, 13355320), (40, 12353671), (44, 11230610), (55, 8984488), (74, 6677660), (88, 5615305), (110, 4492244), (127, 3890920), (148, 3338830), (185, 2671064), (220, 2246122), (239, 2067560), (254, 1945460), (296, 1669415), (370, 1335532), (407, 1214120), (440, 1123061), (478, 1033780), (508, 972730), (635, 778184), (740, 667766), (814, 607060), (956, 516890), (1016, 486365), (1195, 413512), (1270, 389092), (1397, 353720), (1480, 333883), (1628, 303530), (1912, 258445), (2035, 242824), (2390, 206756), (2540, 194546), (2629, 187960), (2794, 176860), (3256, 151765), (4070, 121412), (4699, 105160), (4780, 103378), (5080, 97273), (5258, 93980), (5588, 88430), (6985, 70744), (8140, 60706), (8843, 55880), (9398, 52580), (9560, 51689), (10516, 46990), (11176, 44215), (13145, 37592), (13970, 35372), (16280, 30353), (17686, 27940), (18796, 26290), (21032, 23495)]