209947560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{4363}}^1$

素因数の和:4778

約数の個数: 64

約数和(自身を含む): 631558080

約数和(自身を除く): 421610520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 401, 802, 1203, 1604, 2005, 2406, 3208, 4010, 4363, 4812, 6015, 8020, 8726, 9624, 12030, 13089, 16040, 17452, 21815, 24060, 26178, 34904, 43630, 48120, 52356, 65445, 87260, 104712, 130890, 174520, 261780, 523560, 1749563, 3499126, 5248689, 6998252, 8747815, 10497378, 13996504, 17495630, 20994756, 26243445, 34991260, 41989512, 52486890, 69982520, 104973780, 209947560]

約数ペア:

[(1, 209947560), (2, 104973780), (3, 69982520), (4, 52486890), (5, 41989512), (6, 34991260), (8, 26243445), (10, 20994756), (12, 17495630), (15, 13996504), (20, 10497378), (24, 8747815), (30, 6998252), (40, 5248689), (60, 3499126), (120, 1749563), (401, 523560), (802, 261780), (1203, 174520), (1604, 130890), (2005, 104712), (2406, 87260), (3208, 65445), (4010, 52356), (4363, 48120), (4812, 43630), (6015, 34904), (8020, 26178), (8726, 24060), (9624, 21815), (12030, 17452), (13089, 16040)]