251583080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:331

約数の個数: 128

約数和(自身を含む): 668908800

約数和(自身を除く): 417325720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 59, 70, 97, 118, 140, 157, 194, 236, 280, 295, 314, 388, 413, 472, 485, 590, 628, 679, 776, 785, 826, 970, 1099, 1180, 1256, 1358, 1570, 1652, 1940, 2065, 2198, 2360, 2716, 3140, 3304, 3395, 3880, 4130, 4396, 5432, 5495, 5723, 6280, 6790, 8260, 8792, 9263, 10990, 11446, 13580, 15229, 16520, 18526, 21980, 22892, 27160, 28615, 30458, 37052, 40061, 43960, 45784, 46315, 57230, 60916, 64841, 74104, 76145, 80122, 92630, 106603, 114460, 121832, 129682, 152290, 160244, 185260, 200305, 213206, 228920, 259364, 304580, 320488, 324205, 370520, 400610, 426412, 518728, 533015, 609160, 648410, 801220, 852824, 898511, 1066030, 1296820, 1602440, 1797022, 2132060, 2593640, 3594044, 4264120, 4492555, 6289577, 7188088, 8985110, 12579154, 17970220, 25158308, 31447885, 35940440, 50316616, 62895770, 125791540, 251583080]

約数ペア:

[(1, 251583080), (2, 125791540), (4, 62895770), (5, 50316616), (7, 35940440), (8, 31447885), (10, 25158308), (14, 17970220), (20, 12579154), (28, 8985110), (35, 7188088), (40, 6289577), (56, 4492555), (59, 4264120), (70, 3594044), (97, 2593640), (118, 2132060), (140, 1797022), (157, 1602440), (194, 1296820), (236, 1066030), (280, 898511), (295, 852824), (314, 801220), (388, 648410), (413, 609160), (472, 533015), (485, 518728), (590, 426412), (628, 400610), (679, 370520), (776, 324205), (785, 320488), (826, 304580), (970, 259364), (1099, 228920), (1180, 213206), (1256, 200305), (1358, 185260), (1570, 160244), (1652, 152290), (1940, 129682), (2065, 121832), (2198, 114460), (2360, 106603), (2716, 92630), (3140, 80122), (3304, 76145), (3395, 74104), (3880, 64841), (4130, 60916), (4396, 57230), (5432, 46315), (5495, 45784), (5723, 43960), (6280, 40061), (6790, 37052), (8260, 30458), (8792, 28615), (9263, 27160), (10990, 22892), (11446, 21980), (13580, 18526), (15229, 16520)]