7828840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 19342800

約数和(自身を除く): 11513960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 136, 145, 170, 232, 290, 340, 397, 493, 580, 680, 794, 986, 1160, 1588, 1972, 1985, 2465, 3176, 3944, 3970, 4930, 6749, 7940, 9860, 11513, 13498, 15880, 19720, 23026, 26996, 33745, 46052, 53992, 57565, 67490, 92104, 115130, 134980, 195721, 230260, 269960, 391442, 460520, 782884, 978605, 1565768, 1957210, 3914420, 7828840]

約数ペア:

[(1, 7828840), (2, 3914420), (4, 1957210), (5, 1565768), (8, 978605), (10, 782884), (17, 460520), (20, 391442), (29, 269960), (34, 230260), (40, 195721), (58, 134980), (68, 115130), (85, 92104), (116, 67490), (136, 57565), (145, 53992), (170, 46052), (232, 33745), (290, 26996), (340, 23026), (397, 19720), (493, 15880), (580, 13498), (680, 11513), (794, 9860), (986, 7940), (1160, 6749), (1588, 4930), (1972, 3970), (1985, 3944), (2465, 3176)]