28188400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{3709}}^1$

素因数の和:3746

約数の個数: 60

約数和(自身を含む): 71306200

約数和(自身を除く): 43117800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1520, 1900, 3709, 3800, 7418, 7600, 14836, 18545, 29672, 37090, 59344, 70471, 74180, 92725, 140942, 148360, 185450, 281884, 296720, 352355, 370900, 563768, 704710, 741800, 1127536, 1409420, 1483600, 1761775, 2818840, 3523550, 5637680, 7047100, 14094200, 28188400]

約数ペア:

[(1, 28188400), (2, 14094200), (4, 7047100), (5, 5637680), (8, 3523550), (10, 2818840), (16, 1761775), (19, 1483600), (20, 1409420), (25, 1127536), (38, 741800), (40, 704710), (50, 563768), (76, 370900), (80, 352355), (95, 296720), (100, 281884), (152, 185450), (190, 148360), (200, 140942), (304, 92725), (380, 74180), (400, 70471), (475, 59344), (760, 37090), (950, 29672), (1520, 18545), (1900, 14836), (3709, 7600), (3800, 7418)]