208037960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{3739}}^1$

素因数の和:3870

約数の個数: 64

約数和(自身を含む): 508939200

約数和(自身を除く): 300901240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 107, 130, 214, 260, 428, 520, 535, 856, 1070, 1391, 2140, 2782, 3739, 4280, 5564, 6955, 7478, 11128, 13910, 14956, 18695, 27820, 29912, 37390, 48607, 55640, 74780, 97214, 149560, 194428, 243035, 388856, 400073, 486070, 800146, 972140, 1600292, 1944280, 2000365, 3200584, 4000730, 5200949, 8001460, 10401898, 16002920, 20803796, 26004745, 41607592, 52009490, 104018980, 208037960]

約数ペア:

[(1, 208037960), (2, 104018980), (4, 52009490), (5, 41607592), (8, 26004745), (10, 20803796), (13, 16002920), (20, 10401898), (26, 8001460), (40, 5200949), (52, 4000730), (65, 3200584), (104, 2000365), (107, 1944280), (130, 1600292), (214, 972140), (260, 800146), (428, 486070), (520, 400073), (535, 388856), (856, 243035), (1070, 194428), (1391, 149560), (2140, 97214), (2782, 74780), (3739, 55640), (4280, 48607), (5564, 37390), (6955, 29912), (7478, 27820), (11128, 18695), (13910, 14956)]