121257740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{761}}^1$

素因数の和:1058

約数の個数: 48

約数和(自身を含む): 264225024

約数和(自身を除く): 142967284

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 257, 310, 514, 620, 761, 1028, 1285, 1522, 2570, 3044, 3805, 5140, 7610, 7967, 15220, 15934, 23591, 31868, 39835, 47182, 79670, 94364, 117955, 159340, 195577, 235910, 391154, 471820, 782308, 977885, 1955770, 3911540, 6062887, 12125774, 24251548, 30314435, 60628870, 121257740]

約数ペア:

[(1, 121257740), (2, 60628870), (4, 30314435), (5, 24251548), (10, 12125774), (20, 6062887), (31, 3911540), (62, 1955770), (124, 977885), (155, 782308), (257, 471820), (310, 391154), (514, 235910), (620, 195577), (761, 159340), (1028, 117955), (1285, 94364), (1522, 79670), (2570, 47182), (3044, 39835), (3805, 31868), (5140, 23591), (7610, 15934), (7967, 15220)]