138828430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 277603200

約数和(自身を除く): 138774770

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 89, 130, 142, 169, 178, 338, 355, 445, 710, 845, 890, 923, 1157, 1690, 1846, 2197, 2314, 4394, 4615, 5785, 6319, 9230, 10985, 11570, 11999, 12638, 15041, 21970, 23998, 30082, 31595, 59995, 63190, 75205, 82147, 119990, 150410, 155987, 164294, 195533, 311974, 391066, 410735, 779935, 821470, 977665, 1067911, 1559870, 1955330, 2135822, 5339555, 10679110, 13882843, 27765686, 69414215, 138828430]

約数ペア:

[(1, 138828430), (2, 69414215), (5, 27765686), (10, 13882843), (13, 10679110), (26, 5339555), (65, 2135822), (71, 1955330), (89, 1559870), (130, 1067911), (142, 977665), (169, 821470), (178, 779935), (338, 410735), (355, 391066), (445, 311974), (710, 195533), (845, 164294), (890, 155987), (923, 150410), (1157, 119990), (1690, 82147), (1846, 75205), (2197, 63190), (2314, 59995), (4394, 31595), (4615, 30082), (5785, 23998), (6319, 21970), (9230, 15041), (10985, 12638), (11570, 11999)]