2021201900

素因数分解:

$2^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{293}}^1\times {\mathrm{683}}^1$

素因数の和:1091

約数の個数: 72

約数和(自身を含む): 4451058864

約数和(自身を除く): 2429856964

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 202, 293, 404, 505, 586, 683, 1010, 1172, 1366, 1465, 2020, 2525, 2732, 2930, 3415, 5050, 5860, 6830, 7325, 10100, 13660, 14650, 17075, 29300, 29593, 34150, 59186, 68300, 68983, 118372, 137966, 147965, 200119, 275932, 295930, 344915, 400238, 591860, 689830, 739825, 800476, 1000595, 1379660, 1479650, 1724575, 2001190, 2959300, 3449150, 4002380, 5002975, 6898300, 10005950, 20011900, 20212019, 40424038, 80848076, 101060095, 202120190, 404240380, 505300475, 1010600950, 2021201900]

約数ペア:

[(1, 2021201900), (2, 1010600950), (4, 505300475), (5, 404240380), (10, 202120190), (20, 101060095), (25, 80848076), (50, 40424038), (100, 20212019), (101, 20011900), (202, 10005950), (293, 6898300), (404, 5002975), (505, 4002380), (586, 3449150), (683, 2959300), (1010, 2001190), (1172, 1724575), (1366, 1479650), (1465, 1379660), (2020, 1000595), (2525, 800476), (2732, 739825), (2930, 689830), (3415, 591860), (5050, 400238), (5860, 344915), (6830, 295930), (7325, 275932), (10100, 200119), (13660, 147965), (14650, 137966), (17075, 118372), (29300, 68983), (29593, 68300), (34150, 59186)]