188045671960

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{691}}^1\times {\mathrm{17137}}^1$

素因数の和:18236

約数の個数: 64

約数和(自身を含む): 424807146720

約数和(自身を除く): 236761474760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 691, 794, 1382, 1588, 1985, 2764, 3176, 3455, 3970, 5528, 6910, 7940, 13820, 15880, 17137, 27640, 34274, 68548, 85685, 137096, 171370, 274327, 342740, 548654, 685480, 1097308, 1371635, 2194616, 2743270, 5486540, 6803389, 10973080, 11841667, 13606778, 23683334, 27213556, 34016945, 47366668, 54427112, 59208335, 68033890, 94733336, 118416670, 136067780, 236833340, 272135560, 473666680, 4701141799, 9402283598, 18804567196, 23505708995, 37609134392, 47011417990, 94022835980, 188045671960]

約数ペア:

[(1, 188045671960), (2, 94022835980), (4, 47011417990), (5, 37609134392), (8, 23505708995), (10, 18804567196), (20, 9402283598), (40, 4701141799), (397, 473666680), (691, 272135560), (794, 236833340), (1382, 136067780), (1588, 118416670), (1985, 94733336), (2764, 68033890), (3176, 59208335), (3455, 54427112), (3970, 47366668), (5528, 34016945), (6910, 27213556), (7940, 23683334), (13820, 13606778), (15880, 11841667), (17137, 10973080), (27640, 6803389), (34274, 5486540), (68548, 2743270), (85685, 2194616), (137096, 1371635), (171370, 1097308), (274327, 685480), (342740, 548654)]