28412790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7121}}^1$

素因数の和:7157

約数の個数: 64

約数和(自身を含む): 82045440

約数和(自身を除く): 53632650

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 7121, 14242, 21363, 35605, 42726, 49847, 71210, 99694, 106815, 135299, 149541, 213630, 249235, 270598, 299082, 405897, 498470, 676495, 747705, 811794, 947093, 1352990, 1495410, 1894186, 2029485, 2841279, 4058970, 4735465, 5682558, 9470930, 14206395, 28412790]

約数ペア:

[(1, 28412790), (2, 14206395), (3, 9470930), (5, 5682558), (6, 4735465), (7, 4058970), (10, 2841279), (14, 2029485), (15, 1894186), (19, 1495410), (21, 1352990), (30, 947093), (35, 811794), (38, 747705), (42, 676495), (57, 498470), (70, 405897), (95, 299082), (105, 270598), (114, 249235), (133, 213630), (190, 149541), (210, 135299), (266, 106815), (285, 99694), (399, 71210), (570, 49847), (665, 42726), (798, 35605), (1330, 21363), (1995, 14242), (3990, 7121)]