217872460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{613}}^1\times {\mathrm{1367}}^1$

素因数の和:2002

約数の個数: 48

約数和(自身を含む): 493891776

約数和(自身を除く): 276019316

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 613, 1226, 1367, 2452, 2734, 3065, 5468, 6130, 6835, 7969, 12260, 13670, 15938, 17771, 27340, 31876, 35542, 39845, 71084, 79690, 88855, 159380, 177710, 355420, 837971, 1675942, 3351884, 4189855, 8379710, 10893623, 16759420, 21787246, 43574492, 54468115, 108936230, 217872460]

約数ペア:

[(1, 217872460), (2, 108936230), (4, 54468115), (5, 43574492), (10, 21787246), (13, 16759420), (20, 10893623), (26, 8379710), (52, 4189855), (65, 3351884), (130, 1675942), (260, 837971), (613, 355420), (1226, 177710), (1367, 159380), (2452, 88855), (2734, 79690), (3065, 71084), (5468, 39845), (6130, 35542), (6835, 31876), (7969, 27340), (12260, 17771), (13670, 15938)]