280223840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{677}}^1$

素因数の和:904

約数の個数: 96

約数和(自身を含む): 717595200

約数和(自身を除く): 437371360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 199, 208, 260, 398, 416, 520, 677, 796, 995, 1040, 1354, 1592, 1990, 2080, 2587, 2708, 3184, 3385, 3980, 5174, 5416, 6368, 6770, 7960, 8801, 10348, 10832, 12935, 13540, 15920, 17602, 20696, 21664, 25870, 27080, 31840, 35204, 41392, 44005, 51740, 54160, 70408, 82784, 88010, 103480, 108320, 134723, 140816, 176020, 206960, 269446, 281632, 352040, 413920, 538892, 673615, 704080, 1077784, 1347230, 1408160, 1751399, 2155568, 2694460, 3502798, 4311136, 5388920, 7005596, 8756995, 10777840, 14011192, 17513990, 21555680, 28022384, 35027980, 56044768, 70055960, 140111920, 280223840]

約数ペア:

[(1, 280223840), (2, 140111920), (4, 70055960), (5, 56044768), (8, 35027980), (10, 28022384), (13, 21555680), (16, 17513990), (20, 14011192), (26, 10777840), (32, 8756995), (40, 7005596), (52, 5388920), (65, 4311136), (80, 3502798), (104, 2694460), (130, 2155568), (160, 1751399), (199, 1408160), (208, 1347230), (260, 1077784), (398, 704080), (416, 673615), (520, 538892), (677, 413920), (796, 352040), (995, 281632), (1040, 269446), (1354, 206960), (1592, 176020), (1990, 140816), (2080, 134723), (2587, 108320), (2708, 103480), (3184, 88010), (3385, 82784), (3980, 70408), (5174, 54160), (5416, 51740), (6368, 44005), (6770, 41392), (7960, 35204), (8801, 31840), (10348, 27080), (10832, 25870), (12935, 21664), (13540, 20696), (15920, 17602)]