248848720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2731}}^1$

素因数の和:2828

約数の個数: 80

約数和(自身を含む): 621978048

約数和(自身を除く): 373129328

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 67, 68, 80, 85, 134, 136, 170, 268, 272, 335, 340, 536, 670, 680, 1072, 1139, 1340, 1360, 2278, 2680, 2731, 4556, 5360, 5462, 5695, 9112, 10924, 11390, 13655, 18224, 21848, 22780, 27310, 43696, 45560, 46427, 54620, 91120, 92854, 109240, 182977, 185708, 218480, 232135, 365954, 371416, 464270, 731908, 742832, 914885, 928540, 1463816, 1829770, 1857080, 2927632, 3110609, 3659540, 3714160, 6221218, 7319080, 12442436, 14638160, 15553045, 24884872, 31106090, 49769744, 62212180, 124424360, 248848720]

約数ペア:

[(1, 248848720), (2, 124424360), (4, 62212180), (5, 49769744), (8, 31106090), (10, 24884872), (16, 15553045), (17, 14638160), (20, 12442436), (34, 7319080), (40, 6221218), (67, 3714160), (68, 3659540), (80, 3110609), (85, 2927632), (134, 1857080), (136, 1829770), (170, 1463816), (268, 928540), (272, 914885), (335, 742832), (340, 731908), (536, 464270), (670, 371416), (680, 365954), (1072, 232135), (1139, 218480), (1340, 185708), (1360, 182977), (2278, 109240), (2680, 92854), (2731, 91120), (4556, 54620), (5360, 46427), (5462, 45560), (5695, 43696), (9112, 27310), (10924, 22780), (11390, 21848), (13655, 18224)]