705081320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{5189}}^1$

素因数の和:5322

約数の個数: 64

約数和(自身を含む): 1644192000

約数和(自身を除く): 939110680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 79, 86, 158, 172, 215, 316, 344, 395, 430, 632, 790, 860, 1580, 1720, 3160, 3397, 5189, 6794, 10378, 13588, 16985, 20756, 25945, 27176, 33970, 41512, 51890, 67940, 103780, 135880, 207560, 223127, 409931, 446254, 819862, 892508, 1115635, 1639724, 1785016, 2049655, 2231270, 3279448, 4099310, 4462540, 8198620, 8925080, 16397240, 17627033, 35254066, 70508132, 88135165, 141016264, 176270330, 352540660, 705081320]

約数ペア:

[(1, 705081320), (2, 352540660), (4, 176270330), (5, 141016264), (8, 88135165), (10, 70508132), (20, 35254066), (40, 17627033), (43, 16397240), (79, 8925080), (86, 8198620), (158, 4462540), (172, 4099310), (215, 3279448), (316, 2231270), (344, 2049655), (395, 1785016), (430, 1639724), (632, 1115635), (790, 892508), (860, 819862), (1580, 446254), (1720, 409931), (3160, 223127), (3397, 207560), (5189, 135880), (6794, 103780), (10378, 67940), (13588, 51890), (16985, 41512), (20756, 33970), (25945, 27176)]