126210400

素因数分解:

$2^5\times 5^2\times {\mathrm{79}}^1\times {\mathrm{1997}}^1$

素因数の和:2096

約数の個数: 72

約数和(自身を含む): 312167520

約数和(自身を除く): 185957120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 79, 80, 100, 158, 160, 200, 316, 395, 400, 632, 790, 800, 1264, 1580, 1975, 1997, 2528, 3160, 3950, 3994, 6320, 7900, 7988, 9985, 12640, 15800, 15976, 19970, 31600, 31952, 39940, 49925, 63200, 63904, 79880, 99850, 157763, 159760, 199700, 315526, 319520, 399400, 631052, 788815, 798800, 1262104, 1577630, 1597600, 2524208, 3155260, 3944075, 5048416, 6310520, 7888150, 12621040, 15776300, 25242080, 31552600, 63105200, 126210400]

約数ペア:

[(1, 126210400), (2, 63105200), (4, 31552600), (5, 25242080), (8, 15776300), (10, 12621040), (16, 7888150), (20, 6310520), (25, 5048416), (32, 3944075), (40, 3155260), (50, 2524208), (79, 1597600), (80, 1577630), (100, 1262104), (158, 798800), (160, 788815), (200, 631052), (316, 399400), (395, 319520), (400, 315526), (632, 199700), (790, 159760), (800, 157763), (1264, 99850), (1580, 79880), (1975, 63904), (1997, 63200), (2528, 49925), (3160, 39940), (3950, 31952), (3994, 31600), (6320, 19970), (7900, 15976), (7988, 15800), (9985, 12640)]