2197900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{709}}^1$

素因数の和:754

約数の個数: 36

約数和(自身を含む): 4930240

約数和(自身を除く): 2732340

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 709, 775, 1418, 1550, 2836, 3100, 3545, 7090, 14180, 17725, 21979, 35450, 43958, 70900, 87916, 109895, 219790, 439580, 549475, 1098950, 2197900]

約数ペア:

[(1, 2197900), (2, 1098950), (4, 549475), (5, 439580), (10, 219790), (20, 109895), (25, 87916), (31, 70900), (50, 43958), (62, 35450), (100, 21979), (124, 17725), (155, 14180), (310, 7090), (620, 3545), (709, 3100), (775, 2836), (1418, 1550)]