199966760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1657}}^1$

素因数の和:2106

約数の個数: 64

約数和(自身を含む): 515704320

約数和(自身を除く): 315737560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 431, 862, 1657, 1724, 2155, 3017, 3314, 3448, 4310, 6034, 6628, 8285, 8620, 11599, 12068, 13256, 15085, 16570, 17240, 23198, 24136, 30170, 33140, 46396, 57995, 60340, 66280, 92792, 115990, 120680, 231980, 463960, 714167, 1428334, 2856668, 3570835, 4999169, 5713336, 7141670, 9998338, 14283340, 19996676, 24995845, 28566680, 39993352, 49991690, 99983380, 199966760]

約数ペア:

[(1, 199966760), (2, 99983380), (4, 49991690), (5, 39993352), (7, 28566680), (8, 24995845), (10, 19996676), (14, 14283340), (20, 9998338), (28, 7141670), (35, 5713336), (40, 4999169), (56, 3570835), (70, 2856668), (140, 1428334), (280, 714167), (431, 463960), (862, 231980), (1657, 120680), (1724, 115990), (2155, 92792), (3017, 66280), (3314, 60340), (3448, 57995), (4310, 46396), (6034, 33140), (6628, 30170), (8285, 24136), (8620, 23198), (11599, 17240), (12068, 16570), (13256, 15085)]