139795880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{2089}}^1$

素因数の和:2346

約数の個数: 64

約数和(自身を含む): 361152000

約数和(自身を除く): 221356120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 239, 280, 478, 956, 1195, 1673, 1912, 2089, 2390, 3346, 4178, 4780, 6692, 8356, 8365, 9560, 10445, 13384, 14623, 16712, 16730, 20890, 29246, 33460, 41780, 58492, 66920, 73115, 83560, 116984, 146230, 292460, 499271, 584920, 998542, 1997084, 2496355, 3494897, 3994168, 4992710, 6989794, 9985420, 13979588, 17474485, 19970840, 27959176, 34948970, 69897940, 139795880]

約数ペア:

[(1, 139795880), (2, 69897940), (4, 34948970), (5, 27959176), (7, 19970840), (8, 17474485), (10, 13979588), (14, 9985420), (20, 6989794), (28, 4992710), (35, 3994168), (40, 3494897), (56, 2496355), (70, 1997084), (140, 998542), (239, 584920), (280, 499271), (478, 292460), (956, 146230), (1195, 116984), (1673, 83560), (1912, 73115), (2089, 66920), (2390, 58492), (3346, 41780), (4178, 33460), (4780, 29246), (6692, 20890), (8356, 16730), (8365, 16712), (9560, 14623), (10445, 13384)]