2798380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 6491520

約数和(自身を除く): 3693140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 229, 235, 260, 458, 470, 611, 916, 940, 1145, 1222, 2290, 2444, 2977, 3055, 4580, 5954, 6110, 10763, 11908, 12220, 14885, 21526, 29770, 43052, 53815, 59540, 107630, 139919, 215260, 279838, 559676, 699595, 1399190, 2798380]

約数ペア:

[(1, 2798380), (2, 1399190), (4, 699595), (5, 559676), (10, 279838), (13, 215260), (20, 139919), (26, 107630), (47, 59540), (52, 53815), (65, 43052), (94, 29770), (130, 21526), (188, 14885), (229, 12220), (235, 11908), (260, 10763), (458, 6110), (470, 5954), (611, 4580), (916, 3055), (940, 2977), (1145, 2444), (1222, 2290)]