291280450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{809}}^1$

素因数の和:1219

約数の個数: 48

約数和(自身を含む): 572508000

約数和(自身を除く): 281227550

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 379, 475, 758, 809, 950, 1618, 1895, 3790, 4045, 7201, 8090, 9475, 14402, 15371, 18950, 20225, 30742, 36005, 40450, 72010, 76855, 153710, 180025, 306611, 360050, 384275, 613222, 768550, 1533055, 3066110, 5825609, 7665275, 11651218, 15330550, 29128045, 58256090, 145640225, 291280450]

約数ペア:

[(1, 291280450), (2, 145640225), (5, 58256090), (10, 29128045), (19, 15330550), (25, 11651218), (38, 7665275), (50, 5825609), (95, 3066110), (190, 1533055), (379, 768550), (475, 613222), (758, 384275), (809, 360050), (950, 306611), (1618, 180025), (1895, 153710), (3790, 76855), (4045, 72010), (7201, 40450), (8090, 36005), (9475, 30742), (14402, 20225), (15371, 18950)]