29803640

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:332

約数の個数: 64

約数和(自身を含む): 69672960

約数和(自身を除く): 39869320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 83, 94, 166, 188, 191, 235, 332, 376, 382, 415, 470, 664, 764, 830, 940, 955, 1528, 1660, 1880, 1910, 3320, 3820, 3901, 7640, 7802, 8977, 15604, 15853, 17954, 19505, 31208, 31706, 35908, 39010, 44885, 63412, 71816, 78020, 79265, 89770, 126824, 156040, 158530, 179540, 317060, 359080, 634120, 745091, 1490182, 2980364, 3725455, 5960728, 7450910, 14901820, 29803640]

約数ペア:

[(1, 29803640), (2, 14901820), (4, 7450910), (5, 5960728), (8, 3725455), (10, 2980364), (20, 1490182), (40, 745091), (47, 634120), (83, 359080), (94, 317060), (166, 179540), (188, 158530), (191, 156040), (235, 126824), (332, 89770), (376, 79265), (382, 78020), (415, 71816), (470, 63412), (664, 44885), (764, 39010), (830, 35908), (940, 31706), (955, 31208), (1528, 19505), (1660, 17954), (1880, 15853), (1910, 15604), (3320, 8977), (3820, 7802), (3901, 7640)]