7900230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:501

約数の個数: 64

約数和(自身を含む): 20901888

約数和(自身を除く): 13001658

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 47, 65, 78, 94, 130, 141, 195, 235, 282, 390, 431, 470, 611, 705, 862, 1222, 1293, 1410, 1833, 2155, 2586, 3055, 3666, 4310, 5603, 6110, 6465, 9165, 11206, 12930, 16809, 18330, 20257, 28015, 33618, 40514, 56030, 60771, 84045, 101285, 121542, 168090, 202570, 263341, 303855, 526682, 607710, 790023, 1316705, 1580046, 2633410, 3950115, 7900230]

約数ペア:

[(1, 7900230), (2, 3950115), (3, 2633410), (5, 1580046), (6, 1316705), (10, 790023), (13, 607710), (15, 526682), (26, 303855), (30, 263341), (39, 202570), (47, 168090), (65, 121542), (78, 101285), (94, 84045), (130, 60771), (141, 56030), (195, 40514), (235, 33618), (282, 28015), (390, 20257), (431, 18330), (470, 16809), (611, 12930), (705, 11206), (862, 9165), (1222, 6465), (1293, 6110), (1410, 5603), (1833, 4310), (2155, 3666), (2586, 3055)]