646673020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1367}}^1$

素因数の和:1523

約数の個数: 96

約数和(自身を含む): 1617960960

約数和(自身を除く): 971287940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 109, 124, 140, 155, 217, 218, 310, 434, 436, 545, 620, 763, 868, 1085, 1090, 1367, 1526, 2170, 2180, 2734, 3052, 3379, 3815, 4340, 5468, 6758, 6835, 7630, 9569, 13516, 13670, 15260, 16895, 19138, 23653, 27340, 33790, 38276, 42377, 47306, 47845, 67580, 84754, 94612, 95690, 118265, 149003, 169508, 191380, 211885, 236530, 296639, 298006, 423770, 473060, 593278, 596012, 745015, 847540, 1043021, 1186556, 1483195, 1490030, 2086042, 2966390, 2980060, 4172084, 4619093, 5215105, 5932780, 9238186, 10430210, 18476372, 20860420, 23095465, 32333651, 46190930, 64667302, 92381860, 129334604, 161668255, 323336510, 646673020]

約数ペア:

[(1, 646673020), (2, 323336510), (4, 161668255), (5, 129334604), (7, 92381860), (10, 64667302), (14, 46190930), (20, 32333651), (28, 23095465), (31, 20860420), (35, 18476372), (62, 10430210), (70, 9238186), (109, 5932780), (124, 5215105), (140, 4619093), (155, 4172084), (217, 2980060), (218, 2966390), (310, 2086042), (434, 1490030), (436, 1483195), (545, 1186556), (620, 1043021), (763, 847540), (868, 745015), (1085, 596012), (1090, 593278), (1367, 473060), (1526, 423770), (2170, 298006), (2180, 296639), (2734, 236530), (3052, 211885), (3379, 191380), (3815, 169508), (4340, 149003), (5468, 118265), (6758, 95690), (6835, 94612), (7630, 84754), (9569, 67580), (13516, 47845), (13670, 47306), (15260, 42377), (16895, 38276), (19138, 33790), (23653, 27340)]