198354520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{54493}}^1$

素因数の和:54524

約数の個数: 64

約数和(自身を含む): 549299520

約数和(自身を除く): 350945000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 54493, 108986, 217972, 272465, 381451, 435944, 544930, 708409, 762902, 1089860, 1416818, 1525804, 1907255, 2179720, 2833636, 3051608, 3542045, 3814510, 4958863, 5667272, 7084090, 7629020, 9917726, 14168180, 15258040, 19835452, 24794315, 28336360, 39670904, 49588630, 99177260, 198354520]

約数ペア:

[(1, 198354520), (2, 99177260), (4, 49588630), (5, 39670904), (7, 28336360), (8, 24794315), (10, 19835452), (13, 15258040), (14, 14168180), (20, 9917726), (26, 7629020), (28, 7084090), (35, 5667272), (40, 4958863), (52, 3814510), (56, 3542045), (65, 3051608), (70, 2833636), (91, 2179720), (104, 1907255), (130, 1525804), (140, 1416818), (182, 1089860), (260, 762902), (280, 708409), (364, 544930), (455, 435944), (520, 381451), (728, 272465), (910, 217972), (1820, 108986), (3640, 54493)]