91993820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{2221}}^1$

素因数の和:2358

約数の個数: 48

約数和(自身を含む): 205312800

約数和(自身を除く): 113318980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 109, 190, 218, 380, 436, 545, 1090, 2071, 2180, 2221, 4142, 4442, 8284, 8884, 10355, 11105, 20710, 22210, 41420, 42199, 44420, 84398, 168796, 210995, 242089, 421990, 484178, 843980, 968356, 1210445, 2420890, 4599691, 4841780, 9199382, 18398764, 22998455, 45996910, 91993820]

約数ペア:

[(1, 91993820), (2, 45996910), (4, 22998455), (5, 18398764), (10, 9199382), (19, 4841780), (20, 4599691), (38, 2420890), (76, 1210445), (95, 968356), (109, 843980), (190, 484178), (218, 421990), (380, 242089), (436, 210995), (545, 168796), (1090, 84398), (2071, 44420), (2180, 42199), (2221, 41420), (4142, 22210), (4442, 20710), (8284, 11105), (8884, 10355)]