520049740

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{41}}^1\times {\mathrm{43}}^2$

素因数の和:157

約数の個数: 144

約数和(自身を含む): 1335700800

約数和(自身を除く): 815651060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 43, 49, 70, 82, 86, 98, 140, 164, 172, 196, 205, 215, 245, 287, 301, 343, 410, 430, 490, 574, 602, 686, 820, 860, 980, 1148, 1204, 1372, 1435, 1505, 1715, 1763, 1849, 2009, 2107, 2870, 3010, 3430, 3526, 3698, 4018, 4214, 5740, 6020, 6860, 7052, 7396, 8036, 8428, 8815, 9245, 10045, 10535, 12341, 12943, 14063, 14749, 17630, 18490, 20090, 21070, 24682, 25886, 28126, 29498, 35260, 36980, 40180, 42140, 49364, 51772, 56252, 58996, 61705, 64715, 70315, 73745, 75809, 86387, 90601, 123410, 129430, 140630, 147490, 151618, 172774, 181202, 246820, 258860, 281260, 294980, 303236, 345548, 362404, 379045, 431935, 453005, 530663, 604709, 634207, 758090, 863870, 906010, 1061326, 1209418, 1268414, 1516180, 1727740, 1812020, 2122652, 2418836, 2536828, 2653315, 3023545, 3171035, 3714641, 5306630, 6047090, 6342070, 7429282, 10613260, 12094180, 12684140, 14858564, 18573205, 26002487, 37146410, 52004974, 74292820, 104009948, 130012435, 260024870, 520049740]

約数ペア:

[(1, 520049740), (2, 260024870), (4, 130012435), (5, 104009948), (7, 74292820), (10, 52004974), (14, 37146410), (20, 26002487), (28, 18573205), (35, 14858564), (41, 12684140), (43, 12094180), (49, 10613260), (70, 7429282), (82, 6342070), (86, 6047090), (98, 5306630), (140, 3714641), (164, 3171035), (172, 3023545), (196, 2653315), (205, 2536828), (215, 2418836), (245, 2122652), (287, 1812020), (301, 1727740), (343, 1516180), (410, 1268414), (430, 1209418), (490, 1061326), (574, 906010), (602, 863870), (686, 758090), (820, 634207), (860, 604709), (980, 530663), (1148, 453005), (1204, 431935), (1372, 379045), (1435, 362404), (1505, 345548), (1715, 303236), (1763, 294980), (1849, 281260), (2009, 258860), (2107, 246820), (2870, 181202), (3010, 172774), (3430, 151618), (3526, 147490), (3698, 140630), (4018, 129430), (4214, 123410), (5740, 90601), (6020, 86387), (6860, 75809), (7052, 73745), (7396, 70315), (8036, 64715), (8428, 61705), (8815, 58996), (9245, 56252), (10045, 51772), (10535, 49364), (12341, 42140), (12943, 40180), (14063, 36980), (14749, 35260), (17630, 29498), (18490, 28126), (20090, 25886), (21070, 24682)]