20131510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:301

約数の個数: 64

約数和(自身を含む): 43960320

約数和(自身を除く): 23828810

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 47, 58, 70, 94, 145, 203, 211, 235, 290, 329, 406, 422, 470, 658, 1015, 1055, 1363, 1477, 1645, 2030, 2110, 2726, 2954, 3290, 6119, 6815, 7385, 9541, 9917, 12238, 13630, 14770, 19082, 19834, 30595, 42833, 47705, 49585, 61190, 69419, 85666, 95410, 99170, 138838, 214165, 287593, 347095, 428330, 575186, 694190, 1437965, 2013151, 2875930, 4026302, 10065755, 20131510]

約数ペア:

[(1, 20131510), (2, 10065755), (5, 4026302), (7, 2875930), (10, 2013151), (14, 1437965), (29, 694190), (35, 575186), (47, 428330), (58, 347095), (70, 287593), (94, 214165), (145, 138838), (203, 99170), (211, 95410), (235, 85666), (290, 69419), (329, 61190), (406, 49585), (422, 47705), (470, 42833), (658, 30595), (1015, 19834), (1055, 19082), (1363, 14770), (1477, 13630), (1645, 12238), (2030, 9917), (2110, 9541), (2726, 7385), (2954, 6815), (3290, 6119)]