218140280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1867}}^1$

素因数の和:2028

約数の個数: 64

約数和(自身を含む): 516464640

約数和(自身を除く): 298324360

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 127, 184, 230, 254, 460, 508, 635, 920, 1016, 1270, 1867, 2540, 2921, 3734, 5080, 5842, 7468, 9335, 11684, 14605, 14936, 18670, 23368, 29210, 37340, 42941, 58420, 74680, 85882, 116840, 171764, 214705, 237109, 343528, 429410, 474218, 858820, 948436, 1185545, 1717640, 1896872, 2371090, 4742180, 5453507, 9484360, 10907014, 21814028, 27267535, 43628056, 54535070, 109070140, 218140280]

約数ペア:

[(1, 218140280), (2, 109070140), (4, 54535070), (5, 43628056), (8, 27267535), (10, 21814028), (20, 10907014), (23, 9484360), (40, 5453507), (46, 4742180), (92, 2371090), (115, 1896872), (127, 1717640), (184, 1185545), (230, 948436), (254, 858820), (460, 474218), (508, 429410), (635, 343528), (920, 237109), (1016, 214705), (1270, 171764), (1867, 116840), (2540, 85882), (2921, 74680), (3734, 58420), (5080, 42941), (5842, 37340), (7468, 29210), (9335, 23368), (11684, 18670), (14605, 14936)]