38570140

素因数分解:

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

素因数の和:251

約数の個数: 72

約数和(自身を含む): 95407200

約数和(自身を除く): 56837060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 149, 172, 215, 298, 301, 430, 596, 602, 745, 860, 1043, 1204, 1490, 1505, 1849, 2086, 2980, 3010, 3698, 4172, 5215, 6020, 6407, 7396, 9245, 10430, 12814, 12943, 18490, 20860, 25628, 25886, 32035, 36980, 44849, 51772, 64070, 64715, 89698, 128140, 129430, 179396, 224245, 258860, 275501, 448490, 551002, 896980, 1102004, 1377505, 1928507, 2755010, 3857014, 5510020, 7714028, 9642535, 19285070, 38570140]

約数ペア:

[(1, 38570140), (2, 19285070), (4, 9642535), (5, 7714028), (7, 5510020), (10, 3857014), (14, 2755010), (20, 1928507), (28, 1377505), (35, 1102004), (43, 896980), (70, 551002), (86, 448490), (140, 275501), (149, 258860), (172, 224245), (215, 179396), (298, 129430), (301, 128140), (430, 89698), (596, 64715), (602, 64070), (745, 51772), (860, 44849), (1043, 36980), (1204, 32035), (1490, 25886), (1505, 25628), (1849, 20860), (2086, 18490), (2980, 12943), (3010, 12814), (3698, 10430), (4172, 9245), (5215, 7396), (6020, 6407)]