9899950

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{613}}^1$

素因数の和:661

約数の個数: 48

約数和(自身を含む): 20556720

約数和(自身を除く): 10656770

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 85, 95, 170, 190, 323, 425, 475, 613, 646, 850, 950, 1226, 1615, 3065, 3230, 6130, 8075, 10421, 11647, 15325, 16150, 20842, 23294, 30650, 52105, 58235, 104210, 116470, 197999, 260525, 291175, 395998, 521050, 582350, 989995, 1979990, 4949975, 9899950]

約数ペア:

[(1, 9899950), (2, 4949975), (5, 1979990), (10, 989995), (17, 582350), (19, 521050), (25, 395998), (34, 291175), (38, 260525), (50, 197999), (85, 116470), (95, 104210), (170, 58235), (190, 52105), (323, 30650), (425, 23294), (475, 20842), (613, 16150), (646, 15325), (850, 11647), (950, 10421), (1226, 8075), (1615, 6130), (3065, 3230)]