205200420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1451}}^1\times {\mathrm{2357}}^1$

素因数の和:3820

約数の個数: 48

約数和(自身を含む): 575201088

約数和(自身を除く): 370000668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1451, 2357, 2902, 4353, 4714, 5804, 7071, 7255, 8706, 9428, 11785, 14142, 14510, 17412, 21765, 23570, 28284, 29020, 35355, 43530, 47140, 70710, 87060, 141420, 3420007, 6840014, 10260021, 13680028, 17100035, 20520042, 34200070, 41040084, 51300105, 68400140, 102600210, 205200420]

約数ペア:

[(1, 205200420), (2, 102600210), (3, 68400140), (4, 51300105), (5, 41040084), (6, 34200070), (10, 20520042), (12, 17100035), (15, 13680028), (20, 10260021), (30, 6840014), (60, 3420007), (1451, 141420), (2357, 87060), (2902, 70710), (4353, 47140), (4714, 43530), (5804, 35355), (7071, 29020), (7255, 28284), (8706, 23570), (9428, 21765), (11785, 17412), (14142, 14510)]