247678460

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{431}}^1\times {\mathrm{487}}^1$

素因数の和:986

約数の個数: 48

約数和(自身を含む): 531256320

約数和(自身を除く): 283577860

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 431, 487, 590, 862, 974, 1180, 1724, 1948, 2155, 2435, 4310, 4870, 8620, 9740, 25429, 28733, 50858, 57466, 101716, 114932, 127145, 143665, 209897, 254290, 287330, 419794, 508580, 574660, 839588, 1049485, 2098970, 4197940, 12383923, 24767846, 49535692, 61919615, 123839230, 247678460]

約数ペア:

[(1, 247678460), (2, 123839230), (4, 61919615), (5, 49535692), (10, 24767846), (20, 12383923), (59, 4197940), (118, 2098970), (236, 1049485), (295, 839588), (431, 574660), (487, 508580), (590, 419794), (862, 287330), (974, 254290), (1180, 209897), (1724, 143665), (1948, 127145), (2155, 114932), (2435, 101716), (4310, 57466), (4870, 50858), (8620, 28733), (9740, 25429)]