18103750

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{2069}}^1$

素因数の和:2098

約数の個数: 40

約数和(自身を含む): 38800080

約数和(自身を除く): 20696330

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 625, 875, 1250, 1750, 2069, 4138, 4375, 8750, 10345, 14483, 20690, 28966, 51725, 72415, 103450, 144830, 258625, 362075, 517250, 724150, 1293125, 1810375, 2586250, 3620750, 9051875, 18103750]

約数ペア:

[(1, 18103750), (2, 9051875), (5, 3620750), (7, 2586250), (10, 1810375), (14, 1293125), (25, 724150), (35, 517250), (50, 362075), (70, 258625), (125, 144830), (175, 103450), (250, 72415), (350, 51725), (625, 28966), (875, 20690), (1250, 14483), (1750, 10345), (2069, 8750), (4138, 4375)]