149898125

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{971}}^1$

素因数の和:1023

約数の個数: 40

約数和(自身を含む): 212556960

約数和(自身を除く): 62658835

約数列:

[1, 5, 13, 19, 25, 65, 95, 125, 247, 325, 475, 625, 971, 1235, 1625, 2375, 4855, 6175, 8125, 11875, 12623, 18449, 24275, 30875, 63115, 92245, 121375, 154375, 239837, 315575, 461225, 606875, 1199185, 1577875, 2306125, 5995925, 7889375, 11530625, 29979625, 149898125]

約数ペア:

[(1, 149898125), (5, 29979625), (13, 11530625), (19, 7889375), (25, 5995925), (65, 2306125), (95, 1577875), (125, 1199185), (247, 606875), (325, 461225), (475, 315575), (625, 239837), (971, 154375), (1235, 121375), (1625, 92245), (2375, 63115), (4855, 30875), (6175, 24275), (8125, 18449), (11875, 12623)]