253663870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{2423}}^1$

素因数の和:2497

約数の個数: 48

約数和(自身を含む): 498713760

約数和(自身を除く): 245049890

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 190, 290, 361, 551, 722, 1102, 1805, 2423, 2755, 3610, 4846, 5510, 10469, 12115, 20938, 24230, 46037, 52345, 70267, 92074, 104690, 140534, 230185, 351335, 460370, 702670, 874703, 1335073, 1749406, 2670146, 4373515, 6675365, 8747030, 13350730, 25366387, 50732774, 126831935, 253663870]

約数ペア:

[(1, 253663870), (2, 126831935), (5, 50732774), (10, 25366387), (19, 13350730), (29, 8747030), (38, 6675365), (58, 4373515), (95, 2670146), (145, 1749406), (190, 1335073), (290, 874703), (361, 702670), (551, 460370), (722, 351335), (1102, 230185), (1805, 140534), (2423, 104690), (2755, 92074), (3610, 70267), (4846, 52345), (5510, 46037), (10469, 24230), (12115, 20938)]