137990320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{479}}^1$

素因数の和:782

約数の個数: 80

約数和(自身を含む): 347477760

約数和(自身を除く): 209487440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 277, 479, 520, 554, 958, 1040, 1108, 1385, 1916, 2216, 2395, 2770, 3601, 3832, 4432, 4790, 5540, 6227, 7202, 7664, 9580, 11080, 12454, 14404, 18005, 19160, 22160, 24908, 28808, 31135, 36010, 38320, 49816, 57616, 62270, 72020, 99632, 124540, 132683, 144040, 249080, 265366, 288080, 498160, 530732, 663415, 1061464, 1326830, 1724879, 2122928, 2653660, 3449758, 5307320, 6899516, 8624395, 10614640, 13799032, 17248790, 27598064, 34497580, 68995160, 137990320]

約数ペア:

[(1, 137990320), (2, 68995160), (4, 34497580), (5, 27598064), (8, 17248790), (10, 13799032), (13, 10614640), (16, 8624395), (20, 6899516), (26, 5307320), (40, 3449758), (52, 2653660), (65, 2122928), (80, 1724879), (104, 1326830), (130, 1061464), (208, 663415), (260, 530732), (277, 498160), (479, 288080), (520, 265366), (554, 249080), (958, 144040), (1040, 132683), (1108, 124540), (1385, 99632), (1916, 72020), (2216, 62270), (2395, 57616), (2770, 49816), (3601, 38320), (3832, 36010), (4432, 31135), (4790, 28808), (5540, 24908), (6227, 22160), (7202, 19160), (7664, 18005), (9580, 14404), (11080, 12454)]