2129121380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1\times {\mathrm{233}}^1$

素因数の和:573

約数の個数: 96

約数和(自身を含む): 4788201600

約数和(自身を除く): 2659080220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 139, 173, 190, 233, 278, 346, 380, 466, 556, 692, 695, 865, 932, 1165, 1390, 1730, 2330, 2641, 2780, 3287, 3460, 4427, 4660, 5282, 6574, 8854, 10564, 13148, 13205, 16435, 17708, 22135, 24047, 26410, 32387, 32870, 40309, 44270, 48094, 52820, 64774, 65740, 80618, 88540, 96188, 120235, 129548, 161236, 161935, 201545, 240470, 323870, 403090, 456893, 480940, 615353, 647740, 765871, 806180, 913786, 1230706, 1531742, 1827572, 2284465, 2461412, 3063484, 3076765, 3829355, 4568930, 5602951, 6153530, 7658710, 9137860, 11205902, 12307060, 15317420, 22411804, 28014755, 56029510, 106456069, 112059020, 212912138, 425824276, 532280345, 1064560690, 2129121380]

約数ペア:

[(1, 2129121380), (2, 1064560690), (4, 532280345), (5, 425824276), (10, 212912138), (19, 112059020), (20, 106456069), (38, 56029510), (76, 28014755), (95, 22411804), (139, 15317420), (173, 12307060), (190, 11205902), (233, 9137860), (278, 7658710), (346, 6153530), (380, 5602951), (466, 4568930), (556, 3829355), (692, 3076765), (695, 3063484), (865, 2461412), (932, 2284465), (1165, 1827572), (1390, 1531742), (1730, 1230706), (2330, 913786), (2641, 806180), (2780, 765871), (3287, 647740), (3460, 615353), (4427, 480940), (4660, 456893), (5282, 403090), (6574, 323870), (8854, 240470), (10564, 201545), (13148, 161935), (13205, 161236), (16435, 129548), (17708, 120235), (22135, 96188), (24047, 88540), (26410, 80618), (32387, 65740), (32870, 64774), (40309, 52820), (44270, 48094)]