390790960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{22511}}^1$

素因数の和:22562

約数の個数: 80

約数和(自身を含む): 1071931392

約数和(自身を除く): 681140432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 22511, 45022, 90044, 112555, 157577, 180088, 225110, 315154, 360176, 450220, 630308, 697841, 787885, 900440, 1260616, 1395682, 1575770, 1800880, 2521232, 2791364, 3151540, 3489205, 4884887, 5582728, 6303080, 6978410, 9769774, 11165456, 12606160, 13956820, 19539548, 24424435, 27913640, 39079096, 48848870, 55827280, 78158192, 97697740, 195395480, 390790960]

約数ペア:

[(1, 390790960), (2, 195395480), (4, 97697740), (5, 78158192), (7, 55827280), (8, 48848870), (10, 39079096), (14, 27913640), (16, 24424435), (20, 19539548), (28, 13956820), (31, 12606160), (35, 11165456), (40, 9769774), (56, 6978410), (62, 6303080), (70, 5582728), (80, 4884887), (112, 3489205), (124, 3151540), (140, 2791364), (155, 2521232), (217, 1800880), (248, 1575770), (280, 1395682), (310, 1260616), (434, 900440), (496, 787885), (560, 697841), (620, 630308), (868, 450220), (1085, 360176), (1240, 315154), (1736, 225110), (2170, 180088), (2480, 157577), (3472, 112555), (4340, 90044), (8680, 45022), (17360, 22511)]