17680340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{349}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 39690000

約数和(自身を除く): 22009660

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 149, 170, 298, 340, 349, 596, 698, 745, 1396, 1490, 1745, 2533, 2980, 3490, 5066, 5933, 6980, 10132, 11866, 12665, 23732, 25330, 29665, 50660, 52001, 59330, 104002, 118660, 208004, 260005, 520010, 884017, 1040020, 1768034, 3536068, 4420085, 8840170, 17680340]

約数ペア:

[(1, 17680340), (2, 8840170), (4, 4420085), (5, 3536068), (10, 1768034), (17, 1040020), (20, 884017), (34, 520010), (68, 260005), (85, 208004), (149, 118660), (170, 104002), (298, 59330), (340, 52001), (349, 50660), (596, 29665), (698, 25330), (745, 23732), (1396, 12665), (1490, 11866), (1745, 10132), (2533, 6980), (2980, 5933), (3490, 5066)]