208853680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{53279}}^1$

素因数の和:53306

約数の個数: 60

約数和(自身を含む): 564874560

約数和(自身を除く): 356020880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 53279, 106558, 213116, 266395, 372953, 426232, 532790, 745906, 852464, 1065580, 1491812, 1864765, 2131160, 2610671, 2983624, 3729530, 4262320, 5221342, 5967248, 7459060, 10442684, 13053355, 14918120, 20885368, 26106710, 29836240, 41770736, 52213420, 104426840, 208853680]

約数ペア:

[(1, 208853680), (2, 104426840), (4, 52213420), (5, 41770736), (7, 29836240), (8, 26106710), (10, 20885368), (14, 14918120), (16, 13053355), (20, 10442684), (28, 7459060), (35, 5967248), (40, 5221342), (49, 4262320), (56, 3729530), (70, 2983624), (80, 2610671), (98, 2131160), (112, 1864765), (140, 1491812), (196, 1065580), (245, 852464), (280, 745906), (392, 532790), (490, 426232), (560, 372953), (784, 266395), (980, 213116), (1960, 106558), (3920, 53279)]