388756875

素因数分解:

$3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:466

約数の個数: 80

約数和(自身を含む): 716395680

約数和(自身を除く): 327638805

約数列:

[1, 3, 5, 13, 15, 25, 39, 41, 65, 75, 123, 125, 195, 205, 325, 375, 389, 533, 615, 625, 975, 1025, 1167, 1599, 1625, 1875, 1945, 2665, 3075, 4875, 5057, 5125, 5835, 7995, 8125, 9725, 13325, 15171, 15375, 15949, 24375, 25285, 25625, 29175, 39975, 47847, 48625, 66625, 75855, 76875, 79745, 126425, 145875, 199875, 207337, 239235, 243125, 333125, 379275, 398725, 622011, 632125, 729375, 999375, 1036685, 1196175, 1896375, 1993625, 3110055, 3160625, 5183425, 5980875, 9481875, 9968125, 15550275, 25917125, 29904375, 77751375, 129585625, 388756875]

約数ペア:

[(1, 388756875), (3, 129585625), (5, 77751375), (13, 29904375), (15, 25917125), (25, 15550275), (39, 9968125), (41, 9481875), (65, 5980875), (75, 5183425), (123, 3160625), (125, 3110055), (195, 1993625), (205, 1896375), (325, 1196175), (375, 1036685), (389, 999375), (533, 729375), (615, 632125), (625, 622011), (975, 398725), (1025, 379275), (1167, 333125), (1599, 243125), (1625, 239235), (1875, 207337), (1945, 199875), (2665, 145875), (3075, 126425), (4875, 79745), (5057, 76875), (5125, 75855), (5835, 66625), (7995, 48625), (8125, 47847), (9725, 39975), (13325, 29175), (15171, 25625), (15375, 25285), (15949, 24375)]