7539140

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{157}}^1$

素因数の和:194

約数の個数: 60

約数和(自身を含む): 18587436

約数和(自身を除く): 11048296

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 157, 196, 245, 314, 343, 490, 628, 686, 785, 980, 1099, 1372, 1570, 1715, 2198, 2401, 3140, 3430, 4396, 4802, 5495, 6860, 7693, 9604, 10990, 12005, 15386, 21980, 24010, 30772, 38465, 48020, 53851, 76930, 107702, 153860, 215404, 269255, 376957, 538510, 753914, 1077020, 1507828, 1884785, 3769570, 7539140]

約数ペア:

[(1, 7539140), (2, 3769570), (4, 1884785), (5, 1507828), (7, 1077020), (10, 753914), (14, 538510), (20, 376957), (28, 269255), (35, 215404), (49, 153860), (70, 107702), (98, 76930), (140, 53851), (157, 48020), (196, 38465), (245, 30772), (314, 24010), (343, 21980), (490, 15386), (628, 12005), (686, 10990), (785, 9604), (980, 7693), (1099, 6860), (1372, 5495), (1570, 4802), (1715, 4396), (2198, 3430), (2401, 3140)]