221392240

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{11483}}^1$

素因数の和:11737

約数の個数: 40

約数和(自身を含む): 516917808

約数和(自身を除く): 295525568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 482, 964, 1205, 1928, 2410, 3856, 4820, 9640, 11483, 19280, 22966, 45932, 57415, 91864, 114830, 183728, 229660, 459320, 918640, 2767403, 5534806, 11069612, 13837015, 22139224, 27674030, 44278448, 55348060, 110696120, 221392240]

約数ペア:

[(1, 221392240), (2, 110696120), (4, 55348060), (5, 44278448), (8, 27674030), (10, 22139224), (16, 13837015), (20, 11069612), (40, 5534806), (80, 2767403), (241, 918640), (482, 459320), (964, 229660), (1205, 183728), (1928, 114830), (2410, 91864), (3856, 57415), (4820, 45932), (9640, 22966), (11483, 19280)]