242546140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{1447}}^1$

素因数の和:1519

約数の個数: 72

約数和(自身を含む): 560115360

約数和(自身を除く): 317569220

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 289, 290, 340, 493, 578, 580, 986, 1156, 1445, 1447, 1972, 2465, 2890, 2894, 4930, 5780, 5788, 7235, 8381, 9860, 14470, 16762, 24599, 28940, 33524, 41905, 41963, 49198, 83810, 83926, 98396, 122995, 167620, 167852, 209815, 245990, 418183, 419630, 491980, 713371, 836366, 839260, 1426742, 1672732, 2090915, 2853484, 3566855, 4181830, 7133710, 8363660, 12127307, 14267420, 24254614, 48509228, 60636535, 121273070, 242546140]

約数ペア:

[(1, 242546140), (2, 121273070), (4, 60636535), (5, 48509228), (10, 24254614), (17, 14267420), (20, 12127307), (29, 8363660), (34, 7133710), (58, 4181830), (68, 3566855), (85, 2853484), (116, 2090915), (145, 1672732), (170, 1426742), (289, 839260), (290, 836366), (340, 713371), (493, 491980), (578, 419630), (580, 418183), (986, 245990), (1156, 209815), (1445, 167852), (1447, 167620), (1972, 122995), (2465, 98396), (2890, 83926), (2894, 83810), (4930, 49198), (5780, 41963), (5788, 41905), (7235, 33524), (8381, 28940), (9860, 24599), (14470, 16762)]