249495260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{11069}}^1$

素因数の和:11115

約数の個数: 72

約数和(自身を含む): 636037920

約数和(自身を除く): 386542660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 3220, 4508, 5635, 11069, 11270, 22138, 22540, 44276, 55345, 77483, 110690, 154966, 221380, 254587, 309932, 387415, 509174, 542381, 774830, 1018348, 1084762, 1272935, 1549660, 1782109, 2169524, 2545870, 2711905, 3564218, 5091740, 5423810, 7128436, 8910545, 10847620, 12474763, 17821090, 24949526, 35642180, 49899052, 62373815, 124747630, 249495260]

約数ペア:

[(1, 249495260), (2, 124747630), (4, 62373815), (5, 49899052), (7, 35642180), (10, 24949526), (14, 17821090), (20, 12474763), (23, 10847620), (28, 8910545), (35, 7128436), (46, 5423810), (49, 5091740), (70, 3564218), (92, 2711905), (98, 2545870), (115, 2169524), (140, 1782109), (161, 1549660), (196, 1272935), (230, 1084762), (245, 1018348), (322, 774830), (460, 542381), (490, 509174), (644, 387415), (805, 309932), (980, 254587), (1127, 221380), (1610, 154966), (2254, 110690), (3220, 77483), (4508, 55345), (5635, 44276), (11069, 22540), (11270, 22138)]