210919520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{26903}}^1$

素因数の和:26932

約数の個数: 72

約数和(自身を含む): 579673584

約数和(自身を除く): 368754064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 26903, 53806, 107612, 134515, 188321, 215224, 269030, 376642, 430448, 538060, 753284, 860896, 941605, 1076120, 1318247, 1506568, 1883210, 2152240, 2636494, 3013136, 3766420, 4304480, 5272988, 6026272, 6591235, 7532840, 10545976, 13182470, 15065680, 21091952, 26364940, 30131360, 42183904, 52729880, 105459760, 210919520]

約数ペア:

[(1, 210919520), (2, 105459760), (4, 52729880), (5, 42183904), (7, 30131360), (8, 26364940), (10, 21091952), (14, 15065680), (16, 13182470), (20, 10545976), (28, 7532840), (32, 6591235), (35, 6026272), (40, 5272988), (49, 4304480), (56, 3766420), (70, 3013136), (80, 2636494), (98, 2152240), (112, 1883210), (140, 1506568), (160, 1318247), (196, 1076120), (224, 941605), (245, 860896), (280, 753284), (392, 538060), (490, 430448), (560, 376642), (784, 269030), (980, 215224), (1120, 188321), (1568, 134515), (1960, 107612), (3920, 53806), (7840, 26903)]