220173400

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{18047}}^1$

素因数の和:18124

約数の個数: 48

約数和(自身を含む): 520323840

約数和(自身を除く): 300150440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 488, 610, 1220, 1525, 2440, 3050, 6100, 12200, 18047, 36094, 72188, 90235, 144376, 180470, 360940, 451175, 721880, 902350, 1100867, 1804700, 2201734, 3609400, 4403468, 5504335, 8806936, 11008670, 22017340, 27521675, 44034680, 55043350, 110086700, 220173400]

約数ペア:

[(1, 220173400), (2, 110086700), (4, 55043350), (5, 44034680), (8, 27521675), (10, 22017340), (20, 11008670), (25, 8806936), (40, 5504335), (50, 4403468), (61, 3609400), (100, 2201734), (122, 1804700), (200, 1100867), (244, 902350), (305, 721880), (488, 451175), (610, 360940), (1220, 180470), (1525, 144376), (2440, 90235), (3050, 72188), (6100, 36094), (12200, 18047)]