8800900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:229

約数の個数: 72

約数和(自身を含む): 20998656

約数和(自身を除く): 12197756

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 31, 34, 50, 62, 68, 85, 100, 124, 155, 167, 170, 310, 334, 340, 425, 527, 620, 668, 775, 835, 850, 1054, 1550, 1670, 1700, 2108, 2635, 2839, 3100, 3340, 4175, 5177, 5270, 5678, 8350, 10354, 10540, 11356, 13175, 14195, 16700, 20708, 25885, 26350, 28390, 51770, 52700, 56780, 70975, 88009, 103540, 129425, 141950, 176018, 258850, 283900, 352036, 440045, 517700, 880090, 1760180, 2200225, 4400450, 8800900]

約数ペア:

[(1, 8800900), (2, 4400450), (4, 2200225), (5, 1760180), (10, 880090), (17, 517700), (20, 440045), (25, 352036), (31, 283900), (34, 258850), (50, 176018), (62, 141950), (68, 129425), (85, 103540), (100, 88009), (124, 70975), (155, 56780), (167, 52700), (170, 51770), (310, 28390), (334, 26350), (340, 25885), (425, 20708), (527, 16700), (620, 14195), (668, 13175), (775, 11356), (835, 10540), (850, 10354), (1054, 8350), (1550, 5678), (1670, 5270), (1700, 5177), (2108, 4175), (2635, 3340), (2839, 3100)]