390581150

素因数分解:

$2^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{509}}^1$

素因数の和:773

約数の個数: 48

約数和(自身を含む): 739908000

約数和(自身を除く): 349326850

約数列:

[1, 2, 5, 10, 25, 50, 103, 149, 206, 298, 509, 515, 745, 1018, 1030, 1490, 2545, 2575, 3725, 5090, 5150, 7450, 12725, 15347, 25450, 30694, 52427, 75841, 76735, 104854, 151682, 153470, 262135, 379205, 383675, 524270, 758410, 767350, 1310675, 1896025, 2621350, 3792050, 7811623, 15623246, 39058115, 78116230, 195290575, 390581150]

約数ペア:

[(1, 390581150), (2, 195290575), (5, 78116230), (10, 39058115), (25, 15623246), (50, 7811623), (103, 3792050), (149, 2621350), (206, 1896025), (298, 1310675), (509, 767350), (515, 758410), (745, 524270), (1018, 383675), (1030, 379205), (1490, 262135), (2545, 153470), (2575, 151682), (3725, 104854), (5090, 76735), (5150, 75841), (7450, 52427), (12725, 30694), (15347, 25450)]