189022900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{757}}^1$

素因数の和:1009

約数の個数: 72

約数和(自身を含む): 450033696

約数和(自身を除く): 261010796

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 227, 275, 454, 550, 757, 908, 1100, 1135, 1514, 2270, 2497, 3028, 3785, 4540, 4994, 5675, 7570, 8327, 9988, 11350, 12485, 15140, 16654, 18925, 22700, 24970, 33308, 37850, 41635, 49940, 62425, 75700, 83270, 124850, 166540, 171839, 208175, 249700, 343678, 416350, 687356, 832700, 859195, 1718390, 1890229, 3436780, 3780458, 4295975, 7560916, 8591950, 9451145, 17183900, 18902290, 37804580, 47255725, 94511450, 189022900]

約数ペア:

[(1, 189022900), (2, 94511450), (4, 47255725), (5, 37804580), (10, 18902290), (11, 17183900), (20, 9451145), (22, 8591950), (25, 7560916), (44, 4295975), (50, 3780458), (55, 3436780), (100, 1890229), (110, 1718390), (220, 859195), (227, 832700), (275, 687356), (454, 416350), (550, 343678), (757, 249700), (908, 208175), (1100, 171839), (1135, 166540), (1514, 124850), (2270, 83270), (2497, 75700), (3028, 62425), (3785, 49940), (4540, 41635), (4994, 37850), (5675, 33308), (7570, 24970), (8327, 22700), (9988, 18925), (11350, 16654), (12485, 15140)]