541940

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{79}}^1$

素因数の和:109

約数の個数: 48

約数和(自身を含む): 1344000

約数和(自身を除く): 802060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 140, 158, 196, 245, 316, 343, 395, 490, 553, 686, 790, 980, 1106, 1372, 1580, 1715, 2212, 2765, 3430, 3871, 5530, 6860, 7742, 11060, 15484, 19355, 27097, 38710, 54194, 77420, 108388, 135485, 270970, 541940]

約数ペア:

[(1, 541940), (2, 270970), (4, 135485), (5, 108388), (7, 77420), (10, 54194), (14, 38710), (20, 27097), (28, 19355), (35, 15484), (49, 11060), (70, 7742), (79, 6860), (98, 5530), (140, 3871), (158, 3430), (196, 2765), (245, 2212), (316, 1715), (343, 1580), (395, 1372), (490, 1106), (553, 980), (686, 790)]