215512790

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 413026560

約数和(自身を除く): 197513770

約数列:

[1, 2, 5, 10, 37, 73, 74, 79, 101, 146, 158, 185, 202, 365, 370, 395, 505, 730, 790, 1010, 2701, 2923, 3737, 5402, 5767, 5846, 7373, 7474, 7979, 11534, 13505, 14615, 14746, 15958, 18685, 27010, 28835, 29230, 36865, 37370, 39895, 57670, 73730, 79790, 213379, 272801, 295223, 426758, 545602, 582467, 590446, 1066895, 1164934, 1364005, 1476115, 2133790, 2728010, 2912335, 2952230, 5824670, 21551279, 43102558, 107756395, 215512790]

約数ペア:

[(1, 215512790), (2, 107756395), (5, 43102558), (10, 21551279), (37, 5824670), (73, 2952230), (74, 2912335), (79, 2728010), (101, 2133790), (146, 1476115), (158, 1364005), (185, 1164934), (202, 1066895), (365, 590446), (370, 582467), (395, 545602), (505, 426758), (730, 295223), (790, 272801), (1010, 213379), (2701, 79790), (2923, 73730), (3737, 57670), (5402, 39895), (5767, 37370), (5846, 36865), (7373, 29230), (7474, 28835), (7979, 27010), (11534, 18685), (13505, 15958), (14615, 14746)]