13991900

素因数分解:

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

素因数の和:303

約数の個数: 72

約数和(自身を含む): 33539520

約数和(自身を除く): 19547620

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 47, 50, 52, 65, 94, 100, 130, 188, 229, 235, 260, 325, 458, 470, 611, 650, 916, 940, 1145, 1175, 1222, 1300, 2290, 2350, 2444, 2977, 3055, 4580, 4700, 5725, 5954, 6110, 10763, 11450, 11908, 12220, 14885, 15275, 21526, 22900, 29770, 30550, 43052, 53815, 59540, 61100, 74425, 107630, 139919, 148850, 215260, 269075, 279838, 297700, 538150, 559676, 699595, 1076300, 1399190, 2798380, 3497975, 6995950, 13991900]

約数ペア:

[(1, 13991900), (2, 6995950), (4, 3497975), (5, 2798380), (10, 1399190), (13, 1076300), (20, 699595), (25, 559676), (26, 538150), (47, 297700), (50, 279838), (52, 269075), (65, 215260), (94, 148850), (100, 139919), (130, 107630), (188, 74425), (229, 61100), (235, 59540), (260, 53815), (325, 43052), (458, 30550), (470, 29770), (611, 22900), (650, 21526), (916, 15275), (940, 14885), (1145, 12220), (1175, 11908), (1222, 11450), (1300, 10763), (2290, 6110), (2350, 5954), (2444, 5725), (2977, 4700), (3055, 4580)]