205429480

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{967}}^1$

素因数の和:1138

約数の個数: 64

約数和(自身を含む): 476720640

約数和(自身を除く): 271291160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 113, 188, 226, 235, 376, 452, 470, 565, 904, 940, 967, 1130, 1880, 1934, 2260, 3868, 4520, 4835, 5311, 7736, 9670, 10622, 19340, 21244, 26555, 38680, 42488, 45449, 53110, 90898, 106220, 109271, 181796, 212440, 218542, 227245, 363592, 437084, 454490, 546355, 874168, 908980, 1092710, 1817960, 2185420, 4370840, 5135737, 10271474, 20542948, 25678685, 41085896, 51357370, 102714740, 205429480]

約数ペア:

[(1, 205429480), (2, 102714740), (4, 51357370), (5, 41085896), (8, 25678685), (10, 20542948), (20, 10271474), (40, 5135737), (47, 4370840), (94, 2185420), (113, 1817960), (188, 1092710), (226, 908980), (235, 874168), (376, 546355), (452, 454490), (470, 437084), (565, 363592), (904, 227245), (940, 218542), (967, 212440), (1130, 181796), (1880, 109271), (1934, 106220), (2260, 90898), (3868, 53110), (4520, 45449), (4835, 42488), (5311, 38680), (7736, 26555), (9670, 21244), (10622, 19340)]