390053690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{149}}^1\times {\mathrm{1549}}^1$

素因数の和:1731

約数の個数: 48

約数和(自身を含む): 765855000

約数和(自身を除く): 375801310

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 169, 298, 338, 745, 845, 1490, 1549, 1690, 1937, 3098, 3874, 7745, 9685, 15490, 19370, 20137, 25181, 40274, 50362, 100685, 125905, 201370, 230801, 251810, 261781, 461602, 523562, 1154005, 1308905, 2308010, 2617810, 3000413, 6000826, 15002065, 30004130, 39005369, 78010738, 195026845, 390053690]

約数ペア:

[(1, 390053690), (2, 195026845), (5, 78010738), (10, 39005369), (13, 30004130), (26, 15002065), (65, 6000826), (130, 3000413), (149, 2617810), (169, 2308010), (298, 1308905), (338, 1154005), (745, 523562), (845, 461602), (1490, 261781), (1549, 251810), (1690, 230801), (1937, 201370), (3098, 125905), (3874, 100685), (7745, 50362), (9685, 40274), (15490, 25181), (19370, 20137)]