207965800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{21221}}^1$

素因数の和:21251

約数の個数: 72

約数和(自身を含む): 562489110

約数和(自身を除く): 354523310

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1960, 2450, 4900, 9800, 21221, 42442, 84884, 106105, 148547, 169768, 212210, 297094, 424420, 530525, 594188, 742735, 848840, 1039829, 1061050, 1188376, 1485470, 2079658, 2122100, 2970940, 3713675, 4159316, 4244200, 5199145, 5941880, 7427350, 8318632, 10398290, 14854700, 20796580, 25995725, 29709400, 41593160, 51991450, 103982900, 207965800]

約数ペア:

[(1, 207965800), (2, 103982900), (4, 51991450), (5, 41593160), (7, 29709400), (8, 25995725), (10, 20796580), (14, 14854700), (20, 10398290), (25, 8318632), (28, 7427350), (35, 5941880), (40, 5199145), (49, 4244200), (50, 4159316), (56, 3713675), (70, 2970940), (98, 2122100), (100, 2079658), (140, 1485470), (175, 1188376), (196, 1061050), (200, 1039829), (245, 848840), (280, 742735), (350, 594188), (392, 530525), (490, 424420), (700, 297094), (980, 212210), (1225, 169768), (1400, 148547), (1960, 106105), (2450, 84884), (4900, 42442), (9800, 21221)]