219534640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{251}}^1$

素因数の和:335

約数の個数: 120

約数和(自身を含む): 571557168

約数和(自身を除く): 352022528

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 52, 58, 65, 80, 104, 116, 130, 145, 208, 232, 251, 260, 290, 377, 464, 502, 520, 580, 754, 841, 1004, 1040, 1160, 1255, 1508, 1682, 1885, 2008, 2320, 2510, 3016, 3263, 3364, 3770, 4016, 4205, 5020, 6032, 6526, 6728, 7279, 7540, 8410, 10040, 10933, 13052, 13456, 14558, 15080, 16315, 16820, 20080, 21866, 26104, 29116, 30160, 32630, 33640, 36395, 43732, 52208, 54665, 58232, 65260, 67280, 72790, 87464, 94627, 109330, 116464, 130520, 145580, 174928, 189254, 211091, 218660, 261040, 291160, 378508, 422182, 437320, 473135, 582320, 757016, 844364, 874640, 946270, 1055455, 1514032, 1688728, 1892540, 2110910, 2744183, 3377456, 3785080, 4221820, 5488366, 7570160, 8443640, 10976732, 13720915, 16887280, 21953464, 27441830, 43906928, 54883660, 109767320, 219534640]

約数ペア:

[(1, 219534640), (2, 109767320), (4, 54883660), (5, 43906928), (8, 27441830), (10, 21953464), (13, 16887280), (16, 13720915), (20, 10976732), (26, 8443640), (29, 7570160), (40, 5488366), (52, 4221820), (58, 3785080), (65, 3377456), (80, 2744183), (104, 2110910), (116, 1892540), (130, 1688728), (145, 1514032), (208, 1055455), (232, 946270), (251, 874640), (260, 844364), (290, 757016), (377, 582320), (464, 473135), (502, 437320), (520, 422182), (580, 378508), (754, 291160), (841, 261040), (1004, 218660), (1040, 211091), (1160, 189254), (1255, 174928), (1508, 145580), (1682, 130520), (1885, 116464), (2008, 109330), (2320, 94627), (2510, 87464), (3016, 72790), (3263, 67280), (3364, 65260), (3770, 58232), (4016, 54665), (4205, 52208), (5020, 43732), (6032, 36395), (6526, 33640), (6728, 32630), (7279, 30160), (7540, 29116), (8410, 26104), (10040, 21866), (10933, 20080), (13052, 16820), (13456, 16315), (14558, 15080)]