168304420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{6781}}^1$

素因数の和:6880

約数の個数: 48

約数和(自身を含む): 379412208

約数和(自身を除く): 211107788

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 73, 85, 146, 170, 292, 340, 365, 730, 1241, 1460, 2482, 4964, 6205, 6781, 12410, 13562, 24820, 27124, 33905, 67810, 115277, 135620, 230554, 461108, 495013, 576385, 990026, 1152770, 1980052, 2305540, 2475065, 4950130, 8415221, 9900260, 16830442, 33660884, 42076105, 84152210, 168304420]

約数ペア:

[(1, 168304420), (2, 84152210), (4, 42076105), (5, 33660884), (10, 16830442), (17, 9900260), (20, 8415221), (34, 4950130), (68, 2475065), (73, 2305540), (85, 1980052), (146, 1152770), (170, 990026), (292, 576385), (340, 495013), (365, 461108), (730, 230554), (1241, 135620), (1460, 115277), (2482, 67810), (4964, 33905), (6205, 27124), (6781, 24820), (12410, 13562)]