1248654820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{387781}}^1$

素因数の和:387820

約数の個数: 48

約数和(自身を含む): 3127074048

約数和(自身を除く): 1878419228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 387781, 775562, 1551124, 1938905, 2714467, 3877810, 5428934, 7755620, 8918963, 10857868, 13572335, 17837926, 27144670, 35675852, 44594815, 54289340, 62432741, 89189630, 124865482, 178379260, 249730964, 312163705, 624327410, 1248654820]

約数ペア:

[(1, 1248654820), (2, 624327410), (4, 312163705), (5, 249730964), (7, 178379260), (10, 124865482), (14, 89189630), (20, 62432741), (23, 54289340), (28, 44594815), (35, 35675852), (46, 27144670), (70, 17837926), (92, 13572335), (115, 10857868), (140, 8918963), (161, 7755620), (230, 5428934), (322, 3877810), (460, 2714467), (644, 1938905), (805, 1551124), (1610, 775562), (3220, 387781)]