221799460

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{1553}}^1$

素因数の和:1792

約数の個数: 48

約数和(自身を含む): 481155696

約数和(自身を除く): 259356236

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 193, 370, 386, 740, 772, 965, 1553, 1930, 3106, 3860, 6212, 7141, 7765, 14282, 15530, 28564, 31060, 35705, 57461, 71410, 114922, 142820, 229844, 287305, 299729, 574610, 599458, 1149220, 1198916, 1498645, 2997290, 5994580, 11089973, 22179946, 44359892, 55449865, 110899730, 221799460]

約数ペア:

[(1, 221799460), (2, 110899730), (4, 55449865), (5, 44359892), (10, 22179946), (20, 11089973), (37, 5994580), (74, 2997290), (148, 1498645), (185, 1198916), (193, 1149220), (370, 599458), (386, 574610), (740, 299729), (772, 287305), (965, 229844), (1553, 142820), (1930, 114922), (3106, 71410), (3860, 57461), (6212, 35705), (7141, 31060), (7765, 28564), (14282, 15530)]