1871128900

素因数分解:

$2^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{389}}^1\times {\mathrm{467}}^1$

素因数の和:973

約数の個数: 72

約数和(自身を含む): 4119111360

約数和(自身を除く): 2247982460

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 103, 206, 389, 412, 467, 515, 778, 934, 1030, 1556, 1868, 1945, 2060, 2335, 2575, 3890, 4670, 5150, 7780, 9340, 9725, 10300, 11675, 19450, 23350, 38900, 40067, 46700, 48101, 80134, 96202, 160268, 181663, 192404, 200335, 240505, 363326, 400670, 481010, 726652, 801340, 908315, 962020, 1001675, 1202525, 1816630, 2003350, 2405050, 3633260, 4006700, 4541575, 4810100, 9083150, 18166300, 18711289, 37422578, 74845156, 93556445, 187112890, 374225780, 467782225, 935564450, 1871128900]

約数ペア:

[(1, 1871128900), (2, 935564450), (4, 467782225), (5, 374225780), (10, 187112890), (20, 93556445), (25, 74845156), (50, 37422578), (100, 18711289), (103, 18166300), (206, 9083150), (389, 4810100), (412, 4541575), (467, 4006700), (515, 3633260), (778, 2405050), (934, 2003350), (1030, 1816630), (1556, 1202525), (1868, 1001675), (1945, 962020), (2060, 908315), (2335, 801340), (2575, 726652), (3890, 481010), (4670, 400670), (5150, 363326), (7780, 240505), (9340, 200335), (9725, 192404), (10300, 181663), (11675, 160268), (19450, 96202), (23350, 80134), (38900, 48101), (40067, 46700)]