98901990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{99901}}^1$

素因数の和:99925

約数の個数: 48

約数和(自身を含む): 280524816

約数和(自身を除く): 181622826

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 99901, 199802, 299703, 499505, 599406, 899109, 999010, 1098911, 1498515, 1798218, 2197822, 2997030, 3296733, 4495545, 5494555, 6593466, 8991090, 9890199, 10989110, 16483665, 19780398, 32967330, 49450995, 98901990]

約数ペア:

[(1, 98901990), (2, 49450995), (3, 32967330), (5, 19780398), (6, 16483665), (9, 10989110), (10, 9890199), (11, 8991090), (15, 6593466), (18, 5494555), (22, 4495545), (30, 3296733), (33, 2997030), (45, 2197822), (55, 1798218), (66, 1498515), (90, 1098911), (99, 999010), (110, 899109), (165, 599406), (198, 499505), (330, 299703), (495, 199802), (990, 99901)]