90018808

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3167}}^1$

素因数の和:3220

約数の個数: 64

約数和(自身を含む): 205286400

約数和(自身を除く): 115267592

約数列:

[1, 2, 4, 8, 11, 17, 19, 22, 34, 38, 44, 68, 76, 88, 136, 152, 187, 209, 323, 374, 418, 646, 748, 836, 1292, 1496, 1672, 2584, 3167, 3553, 6334, 7106, 12668, 14212, 25336, 28424, 34837, 53839, 60173, 69674, 107678, 120346, 139348, 215356, 240692, 278696, 430712, 481384, 592229, 661903, 1022941, 1184458, 1323806, 2045882, 2368916, 2647612, 4091764, 4737832, 5295224, 8183528, 11252351, 22504702, 45009404, 90018808]

約数ペア:

[(1, 90018808), (2, 45009404), (4, 22504702), (8, 11252351), (11, 8183528), (17, 5295224), (19, 4737832), (22, 4091764), (34, 2647612), (38, 2368916), (44, 2045882), (68, 1323806), (76, 1184458), (88, 1022941), (136, 661903), (152, 592229), (187, 481384), (209, 430712), (323, 278696), (374, 240692), (418, 215356), (646, 139348), (748, 120346), (836, 107678), (1292, 69674), (1496, 60173), (1672, 53839), (2584, 34837), (3167, 28424), (3553, 25336), (6334, 14212), (7106, 12668)]