245394520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1$

素因数の和:737

約数の個数: 128

約数和(自身を含む): 667699200

約数和(自身を除く): 422304680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 47, 56, 58, 70, 94, 116, 140, 145, 188, 203, 232, 235, 280, 290, 329, 376, 406, 470, 580, 643, 658, 812, 940, 1015, 1160, 1286, 1316, 1363, 1624, 1645, 1880, 2030, 2572, 2632, 2726, 3215, 3290, 4060, 4501, 5144, 5452, 6430, 6580, 6815, 8120, 9002, 9541, 10904, 12860, 13160, 13630, 18004, 18647, 19082, 22505, 25720, 27260, 30221, 36008, 37294, 38164, 45010, 47705, 54520, 60442, 74588, 76328, 90020, 93235, 95410, 120884, 130529, 149176, 151105, 180040, 186470, 190820, 211547, 241768, 261058, 302210, 372940, 381640, 423094, 522116, 604420, 652645, 745880, 846188, 876409, 1044232, 1057735, 1208840, 1305290, 1692376, 1752818, 2115470, 2610580, 3505636, 4230940, 4382045, 5221160, 6134863, 7011272, 8461880, 8764090, 12269726, 17528180, 24539452, 30674315, 35056360, 49078904, 61348630, 122697260, 245394520]

約数ペア:

[(1, 245394520), (2, 122697260), (4, 61348630), (5, 49078904), (7, 35056360), (8, 30674315), (10, 24539452), (14, 17528180), (20, 12269726), (28, 8764090), (29, 8461880), (35, 7011272), (40, 6134863), (47, 5221160), (56, 4382045), (58, 4230940), (70, 3505636), (94, 2610580), (116, 2115470), (140, 1752818), (145, 1692376), (188, 1305290), (203, 1208840), (232, 1057735), (235, 1044232), (280, 876409), (290, 846188), (329, 745880), (376, 652645), (406, 604420), (470, 522116), (580, 423094), (643, 381640), (658, 372940), (812, 302210), (940, 261058), (1015, 241768), (1160, 211547), (1286, 190820), (1316, 186470), (1363, 180040), (1624, 151105), (1645, 149176), (1880, 130529), (2030, 120884), (2572, 95410), (2632, 93235), (2726, 90020), (3215, 76328), (3290, 74588), (4060, 60442), (4501, 54520), (5144, 47705), (5452, 45010), (6430, 38164), (6580, 37294), (6815, 36008), (8120, 30221), (9002, 27260), (9541, 25720), (10904, 22505), (12860, 19082), (13160, 18647), (13630, 18004)]