99886990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{10729}}^1$

素因数の和:10769

約数の個数: 48

約数和(自身を含む): 220179600

約数和(自身を除く): 120292610

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 490, 665, 931, 1330, 1862, 4655, 9310, 10729, 21458, 53645, 75103, 107290, 150206, 203851, 375515, 407702, 525721, 751030, 1019255, 1051442, 1426957, 2038510, 2628605, 2853914, 5257210, 7134785, 9988699, 14269570, 19977398, 49943495, 99886990]

約数ペア:

[(1, 99886990), (2, 49943495), (5, 19977398), (7, 14269570), (10, 9988699), (14, 7134785), (19, 5257210), (35, 2853914), (38, 2628605), (49, 2038510), (70, 1426957), (95, 1051442), (98, 1019255), (133, 751030), (190, 525721), (245, 407702), (266, 375515), (490, 203851), (665, 150206), (931, 107290), (1330, 75103), (1862, 53645), (4655, 21458), (9310, 10729)]