2690940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:211

約数の個数: 96

約数和(自身を含む): 8870400

約数和(自身を除く): 6179460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 60, 70, 84, 86, 105, 129, 140, 149, 172, 210, 215, 258, 298, 301, 420, 430, 447, 516, 596, 602, 645, 745, 860, 894, 903, 1043, 1204, 1290, 1490, 1505, 1788, 1806, 2086, 2235, 2580, 2980, 3010, 3129, 3612, 4172, 4470, 4515, 5215, 6020, 6258, 6407, 8940, 9030, 10430, 12516, 12814, 15645, 18060, 19221, 20860, 25628, 31290, 32035, 38442, 44849, 62580, 64070, 76884, 89698, 96105, 128140, 134547, 179396, 192210, 224245, 269094, 384420, 448490, 538188, 672735, 896980, 1345470, 2690940]

約数ペア:

[(1, 2690940), (2, 1345470), (3, 896980), (4, 672735), (5, 538188), (6, 448490), (7, 384420), (10, 269094), (12, 224245), (14, 192210), (15, 179396), (20, 134547), (21, 128140), (28, 96105), (30, 89698), (35, 76884), (42, 64070), (43, 62580), (60, 44849), (70, 38442), (84, 32035), (86, 31290), (105, 25628), (129, 20860), (140, 19221), (149, 18060), (172, 15645), (210, 12814), (215, 12516), (258, 10430), (298, 9030), (301, 8940), (420, 6407), (430, 6258), (447, 6020), (516, 5215), (596, 4515), (602, 4470), (645, 4172), (745, 3612), (860, 3129), (894, 3010), (903, 2980), (1043, 2580), (1204, 2235), (1290, 2086), (1490, 1806), (1505, 1788)]