25455990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{17317}}^1$

素因数の和:17341

約数の個数: 48

約数和(自身を含む): 71073072

約数和(自身を除く): 45617082

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 17317, 34634, 51951, 86585, 103902, 121219, 173170, 242438, 259755, 363657, 519510, 606095, 727314, 848533, 1212190, 1697066, 1818285, 2545599, 3636570, 4242665, 5091198, 8485330, 12727995, 25455990]

約数ペア:

[(1, 25455990), (2, 12727995), (3, 8485330), (5, 5091198), (6, 4242665), (7, 3636570), (10, 2545599), (14, 1818285), (15, 1697066), (21, 1212190), (30, 848533), (35, 727314), (42, 606095), (49, 519510), (70, 363657), (98, 259755), (105, 242438), (147, 173170), (210, 121219), (245, 103902), (294, 86585), (490, 51951), (735, 34634), (1470, 17317)]