201406040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{1153}}^1$

素因数の和:1572

約数の個数: 64

約数和(自身を含む): 496035360

約数和(自身を除く): 294629320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 397, 440, 794, 1153, 1588, 1985, 2306, 3176, 3970, 4367, 4612, 5765, 7940, 8734, 9224, 11530, 12683, 15880, 17468, 21835, 23060, 25366, 34936, 43670, 46120, 50732, 63415, 87340, 101464, 126830, 174680, 253660, 457741, 507320, 915482, 1830964, 2288705, 3661928, 4577410, 5035151, 9154820, 10070302, 18309640, 20140604, 25175755, 40281208, 50351510, 100703020, 201406040]

約数ペア:

[(1, 201406040), (2, 100703020), (4, 50351510), (5, 40281208), (8, 25175755), (10, 20140604), (11, 18309640), (20, 10070302), (22, 9154820), (40, 5035151), (44, 4577410), (55, 3661928), (88, 2288705), (110, 1830964), (220, 915482), (397, 507320), (440, 457741), (794, 253660), (1153, 174680), (1588, 126830), (1985, 101464), (2306, 87340), (3176, 63415), (3970, 50732), (4367, 46120), (4612, 43670), (5765, 34936), (7940, 25366), (8734, 23060), (9224, 21835), (11530, 17468), (12683, 15880)]