2018750

素因数分解:

$2^1\times 5^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:63

約数の個数: 48

約数和(自身を含む): 4218480

約数和(自身を除く): 2199730

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 85, 95, 125, 170, 190, 250, 323, 425, 475, 625, 646, 850, 950, 1250, 1615, 2125, 2375, 3125, 3230, 4250, 4750, 6250, 8075, 10625, 11875, 16150, 21250, 23750, 40375, 53125, 59375, 80750, 106250, 118750, 201875, 403750, 1009375, 2018750]

約数ペア:

[(1, 2018750), (2, 1009375), (5, 403750), (10, 201875), (17, 118750), (19, 106250), (25, 80750), (34, 59375), (38, 53125), (50, 40375), (85, 23750), (95, 21250), (125, 16150), (170, 11875), (190, 10625), (250, 8075), (323, 6250), (425, 4750), (475, 4250), (625, 3230), (646, 3125), (850, 2375), (950, 2125), (1250, 1615)]