208075520

素因数分解:

$2^8\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1091}}^1$

素因数の和:1261

約数の個数: 72

約数和(自身を含む): 502210800

約数和(自身を除く): 294135280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 149, 160, 256, 298, 320, 596, 640, 745, 1091, 1192, 1280, 1490, 2182, 2384, 2980, 4364, 4768, 5455, 5960, 8728, 9536, 10910, 11920, 17456, 19072, 21820, 23840, 34912, 38144, 43640, 47680, 69824, 87280, 95360, 139648, 162559, 174560, 190720, 279296, 325118, 349120, 650236, 698240, 812795, 1300472, 1396480, 1625590, 2600944, 3251180, 5201888, 6502360, 10403776, 13004720, 20807552, 26009440, 41615104, 52018880, 104037760, 208075520]

約数ペア:

[(1, 208075520), (2, 104037760), (4, 52018880), (5, 41615104), (8, 26009440), (10, 20807552), (16, 13004720), (20, 10403776), (32, 6502360), (40, 5201888), (64, 3251180), (80, 2600944), (128, 1625590), (149, 1396480), (160, 1300472), (256, 812795), (298, 698240), (320, 650236), (596, 349120), (640, 325118), (745, 279296), (1091, 190720), (1192, 174560), (1280, 162559), (1490, 139648), (2182, 95360), (2384, 87280), (2980, 69824), (4364, 47680), (4768, 43640), (5455, 38144), (5960, 34912), (8728, 23840), (9536, 21820), (10910, 19072), (11920, 17456)]