78905200

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:335

約数の個数: 120

約数和(自身を含む): 210343680

約数和(自身を除く): 131438480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 79, 80, 88, 100, 110, 158, 176, 200, 220, 227, 275, 316, 395, 400, 440, 454, 550, 632, 790, 869, 880, 908, 1100, 1135, 1264, 1580, 1738, 1816, 1975, 2200, 2270, 2497, 3160, 3476, 3632, 3950, 4345, 4400, 4540, 4994, 5675, 6320, 6952, 7900, 8690, 9080, 9988, 11350, 12485, 13904, 15800, 17380, 17933, 18160, 19976, 21725, 22700, 24970, 31600, 34760, 35866, 39952, 43450, 45400, 49940, 62425, 69520, 71732, 86900, 89665, 90800, 99880, 124850, 143464, 173800, 179330, 197263, 199760, 249700, 286928, 347600, 358660, 394526, 448325, 499400, 717320, 789052, 896650, 986315, 998800, 1434640, 1578104, 1793300, 1972630, 3156208, 3586600, 3945260, 4931575, 7173200, 7890520, 9863150, 15781040, 19726300, 39452600, 78905200]

約数ペア:

[(1, 78905200), (2, 39452600), (4, 19726300), (5, 15781040), (8, 9863150), (10, 7890520), (11, 7173200), (16, 4931575), (20, 3945260), (22, 3586600), (25, 3156208), (40, 1972630), (44, 1793300), (50, 1578104), (55, 1434640), (79, 998800), (80, 986315), (88, 896650), (100, 789052), (110, 717320), (158, 499400), (176, 448325), (200, 394526), (220, 358660), (227, 347600), (275, 286928), (316, 249700), (395, 199760), (400, 197263), (440, 179330), (454, 173800), (550, 143464), (632, 124850), (790, 99880), (869, 90800), (880, 89665), (908, 86900), (1100, 71732), (1135, 69520), (1264, 62425), (1580, 49940), (1738, 45400), (1816, 43450), (1975, 39952), (2200, 35866), (2270, 34760), (2497, 31600), (3160, 24970), (3476, 22700), (3632, 21725), (3950, 19976), (4345, 18160), (4400, 17933), (4540, 17380), (4994, 15800), (5675, 13904), (6320, 12485), (6952, 11350), (7900, 9988), (8690, 9080)]