398049720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{13879}}^1$

素因数の和:14132

約数の個数: 64

約数和(自身を含む): 1199232000

約数和(自身を除く): 801182280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239, 478, 717, 956, 1195, 1434, 1912, 2390, 2868, 3585, 4780, 5736, 7170, 9560, 13879, 14340, 27758, 28680, 41637, 55516, 69395, 83274, 111032, 138790, 166548, 208185, 277580, 333096, 416370, 555160, 832740, 1665480, 3317081, 6634162, 9951243, 13268324, 16585405, 19902486, 26536648, 33170810, 39804972, 49756215, 66341620, 79609944, 99512430, 132683240, 199024860, 398049720]

約数ペア:

[(1, 398049720), (2, 199024860), (3, 132683240), (4, 99512430), (5, 79609944), (6, 66341620), (8, 49756215), (10, 39804972), (12, 33170810), (15, 26536648), (20, 19902486), (24, 16585405), (30, 13268324), (40, 9951243), (60, 6634162), (120, 3317081), (239, 1665480), (478, 832740), (717, 555160), (956, 416370), (1195, 333096), (1434, 277580), (1912, 208185), (2390, 166548), (2868, 138790), (3585, 111032), (4780, 83274), (5736, 69395), (7170, 55516), (9560, 41637), (13879, 28680), (14340, 27758)]