131212900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14419}}^1$

素因数の和:14453

約数の個数: 72

約数和(自身を含む): 350463680

約数和(自身を除く): 219250780

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2275, 4550, 9100, 14419, 28838, 57676, 72095, 100933, 144190, 187447, 201866, 288380, 360475, 374894, 403732, 504665, 720950, 749788, 937235, 1009330, 1312129, 1441900, 1874470, 2018660, 2523325, 2624258, 3748940, 4686175, 5046650, 5248516, 6560645, 9372350, 10093300, 13121290, 18744700, 26242580, 32803225, 65606450, 131212900]

約数ペア:

[(1, 131212900), (2, 65606450), (4, 32803225), (5, 26242580), (7, 18744700), (10, 13121290), (13, 10093300), (14, 9372350), (20, 6560645), (25, 5248516), (26, 5046650), (28, 4686175), (35, 3748940), (50, 2624258), (52, 2523325), (65, 2018660), (70, 1874470), (91, 1441900), (100, 1312129), (130, 1009330), (140, 937235), (175, 749788), (182, 720950), (260, 504665), (325, 403732), (350, 374894), (364, 360475), (455, 288380), (650, 201866), (700, 187447), (910, 144190), (1300, 100933), (1820, 72095), (2275, 57676), (4550, 28838), (9100, 14419)]