398106680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{15823}}^1$

素因数の和:15888

約数の個数: 64

約数和(自身を含む): 974125440

約数和(自身を除く): 576018760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 37, 40, 68, 74, 85, 136, 148, 170, 185, 296, 340, 370, 629, 680, 740, 1258, 1480, 2516, 3145, 5032, 6290, 12580, 15823, 25160, 31646, 63292, 79115, 126584, 158230, 268991, 316460, 537982, 585451, 632920, 1075964, 1170902, 1344955, 2151928, 2341804, 2689910, 2927255, 4683608, 5379820, 5854510, 9952667, 10759640, 11709020, 19905334, 23418040, 39810668, 49763335, 79621336, 99526670, 199053340, 398106680]

約数ペア:

[(1, 398106680), (2, 199053340), (4, 99526670), (5, 79621336), (8, 49763335), (10, 39810668), (17, 23418040), (20, 19905334), (34, 11709020), (37, 10759640), (40, 9952667), (68, 5854510), (74, 5379820), (85, 4683608), (136, 2927255), (148, 2689910), (170, 2341804), (185, 2151928), (296, 1344955), (340, 1170902), (370, 1075964), (629, 632920), (680, 585451), (740, 537982), (1258, 316460), (1480, 268991), (2516, 158230), (3145, 126584), (5032, 79115), (6290, 63292), (12580, 31646), (15823, 25160)]