223654460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{1993}}^1$

素因数の和:2214

約数の個数: 48

約数和(自身を含む): 487748352

約数和(自身を除く): 264093892

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 181, 310, 362, 620, 724, 905, 1810, 1993, 3620, 3986, 5611, 7972, 9965, 11222, 19930, 22444, 28055, 39860, 56110, 61783, 112220, 123566, 247132, 308915, 360733, 617830, 721466, 1235660, 1442932, 1803665, 3607330, 7214660, 11182723, 22365446, 44730892, 55913615, 111827230, 223654460]

約数ペア:

[(1, 223654460), (2, 111827230), (4, 55913615), (5, 44730892), (10, 22365446), (20, 11182723), (31, 7214660), (62, 3607330), (124, 1803665), (155, 1442932), (181, 1235660), (310, 721466), (362, 617830), (620, 360733), (724, 308915), (905, 247132), (1810, 123566), (1993, 112220), (3620, 61783), (3986, 56110), (5611, 39860), (7972, 28055), (9965, 22444), (11222, 19930)]