142913840

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:450

約数の個数: 80

約数和(自身を含む): 342835200

約数和(自身を除く): 199921360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 191, 199, 235, 376, 382, 398, 470, 752, 764, 796, 940, 955, 995, 1528, 1592, 1880, 1910, 1990, 3056, 3184, 3760, 3820, 3980, 7640, 7960, 8977, 9353, 15280, 15920, 17954, 18706, 35908, 37412, 38009, 44885, 46765, 71816, 74824, 76018, 89770, 93530, 143632, 149648, 152036, 179540, 187060, 190045, 304072, 359080, 374120, 380090, 608144, 718160, 748240, 760180, 1520360, 1786423, 3040720, 3572846, 7145692, 8932115, 14291384, 17864230, 28582768, 35728460, 71456920, 142913840]

約数ペア:

[(1, 142913840), (2, 71456920), (4, 35728460), (5, 28582768), (8, 17864230), (10, 14291384), (16, 8932115), (20, 7145692), (40, 3572846), (47, 3040720), (80, 1786423), (94, 1520360), (188, 760180), (191, 748240), (199, 718160), (235, 608144), (376, 380090), (382, 374120), (398, 359080), (470, 304072), (752, 190045), (764, 187060), (796, 179540), (940, 152036), (955, 149648), (995, 143632), (1528, 93530), (1592, 89770), (1880, 76018), (1910, 74824), (1990, 71816), (3056, 46765), (3184, 44885), (3760, 38009), (3820, 37412), (3980, 35908), (7640, 18706), (7960, 17954), (8977, 15920), (9353, 15280)]