402508730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1831}}^1$

素因数の和:1959

約数の個数: 64

約数和(自身を含む): 830995200

約数和(自身を除く): 428486470

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 89, 95, 130, 178, 190, 247, 445, 494, 890, 1157, 1235, 1691, 1831, 2314, 2470, 3382, 3662, 5785, 8455, 9155, 11570, 16910, 18310, 21983, 23803, 34789, 43966, 47606, 69578, 109915, 119015, 162959, 173945, 219830, 238030, 325918, 347890, 452257, 814795, 904514, 1629590, 2118467, 2261285, 3096221, 4236934, 4522570, 6192442, 10592335, 15481105, 21184670, 30962210, 40250873, 80501746, 201254365, 402508730]

約数ペア:

[(1, 402508730), (2, 201254365), (5, 80501746), (10, 40250873), (13, 30962210), (19, 21184670), (26, 15481105), (38, 10592335), (65, 6192442), (89, 4522570), (95, 4236934), (130, 3096221), (178, 2261285), (190, 2118467), (247, 1629590), (445, 904514), (494, 814795), (890, 452257), (1157, 347890), (1235, 325918), (1691, 238030), (1831, 219830), (2314, 173945), (2470, 162959), (3382, 119015), (3662, 109915), (5785, 69578), (8455, 47606), (9155, 43966), (11570, 34789), (16910, 23803), (18310, 21983)]