138997160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4943}}^1$

素因数の和:5010

約数の個数: 64

約数和(自身を含む): 338169600

約数和(自身を除く): 199172440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 296, 370, 380, 703, 740, 760, 1406, 1480, 2812, 3515, 4943, 5624, 7030, 9886, 14060, 19772, 24715, 28120, 39544, 49430, 93917, 98860, 182891, 187834, 197720, 365782, 375668, 469585, 731564, 751336, 914455, 939170, 1463128, 1828910, 1878340, 3474929, 3657820, 3756680, 6949858, 7315640, 13899716, 17374645, 27799432, 34749290, 69498580, 138997160]

約数ペア:

[(1, 138997160), (2, 69498580), (4, 34749290), (5, 27799432), (8, 17374645), (10, 13899716), (19, 7315640), (20, 6949858), (37, 3756680), (38, 3657820), (40, 3474929), (74, 1878340), (76, 1828910), (95, 1463128), (148, 939170), (152, 914455), (185, 751336), (190, 731564), (296, 469585), (370, 375668), (380, 365782), (703, 197720), (740, 187834), (760, 182891), (1406, 98860), (1480, 93917), (2812, 49430), (3515, 39544), (4943, 28120), (5624, 24715), (7030, 19772), (9886, 14060)]