213829840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1409}}^1$

素因数の和:1700

約数の個数: 80

約数和(自身を含む): 570677760

約数和(自身を除く): 356847920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 271, 280, 542, 560, 1084, 1355, 1409, 1897, 2168, 2710, 2818, 3794, 4336, 5420, 5636, 7045, 7588, 9485, 9863, 10840, 11272, 14090, 15176, 18970, 19726, 21680, 22544, 28180, 30352, 37940, 39452, 49315, 56360, 75880, 78904, 98630, 112720, 151760, 157808, 197260, 381839, 394520, 763678, 789040, 1527356, 1909195, 2672873, 3054712, 3818390, 5345746, 6109424, 7636780, 10691492, 13364365, 15273560, 21382984, 26728730, 30547120, 42765968, 53457460, 106914920, 213829840]

約数ペア:

[(1, 213829840), (2, 106914920), (4, 53457460), (5, 42765968), (7, 30547120), (8, 26728730), (10, 21382984), (14, 15273560), (16, 13364365), (20, 10691492), (28, 7636780), (35, 6109424), (40, 5345746), (56, 3818390), (70, 3054712), (80, 2672873), (112, 1909195), (140, 1527356), (271, 789040), (280, 763678), (542, 394520), (560, 381839), (1084, 197260), (1355, 157808), (1409, 151760), (1897, 112720), (2168, 98630), (2710, 78904), (2818, 75880), (3794, 56360), (4336, 49315), (5420, 39452), (5636, 37940), (7045, 30352), (7588, 28180), (9485, 22544), (9863, 21680), (10840, 19726), (11272, 18970), (14090, 15176)]