129120940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{6803}}^1$

素因数の和:6898

約数の個数: 48

約数和(自身を含む): 296055648

約数和(自身を除く): 166934708

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1898, 3796, 4745, 6803, 9490, 13606, 18980, 27212, 34015, 68030, 88439, 136060, 176878, 353756, 442195, 496619, 884390, 993238, 1768780, 1986476, 2483095, 4966190, 6456047, 9932380, 12912094, 25824188, 32280235, 64560470, 129120940]

約数ペア:

[(1, 129120940), (2, 64560470), (4, 32280235), (5, 25824188), (10, 12912094), (13, 9932380), (20, 6456047), (26, 4966190), (52, 2483095), (65, 1986476), (73, 1768780), (130, 993238), (146, 884390), (260, 496619), (292, 442195), (365, 353756), (730, 176878), (949, 136060), (1460, 88439), (1898, 68030), (3796, 34015), (4745, 27212), (6803, 18980), (9490, 13606)]