248391880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{6343}}^1$

素因数の和:6454

約数の個数: 64

約数和(自身を含む): 616636800

約数和(自身を除く): 368244920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 440, 445, 712, 890, 979, 1780, 1958, 3560, 3916, 4895, 6343, 7832, 9790, 12686, 19580, 25372, 31715, 39160, 50744, 63430, 69773, 126860, 139546, 253720, 279092, 348865, 558184, 564527, 697730, 1129054, 1395460, 2258108, 2790920, 2822635, 4516216, 5645270, 6209797, 11290540, 12419594, 22581080, 24839188, 31048985, 49678376, 62097970, 124195940, 248391880]

約数ペア:

[(1, 248391880), (2, 124195940), (4, 62097970), (5, 49678376), (8, 31048985), (10, 24839188), (11, 22581080), (20, 12419594), (22, 11290540), (40, 6209797), (44, 5645270), (55, 4516216), (88, 2822635), (89, 2790920), (110, 2258108), (178, 1395460), (220, 1129054), (356, 697730), (440, 564527), (445, 558184), (712, 348865), (890, 279092), (979, 253720), (1780, 139546), (1958, 126860), (3560, 69773), (3916, 63430), (4895, 50744), (6343, 39160), (7832, 31715), (9790, 25372), (12686, 19580)]