149713540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{809}}^1$

素因数の和:1324

約数の個数: 48

約数和(自身を含む): 332035200

約数和(自身を除く): 182321660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 487, 809, 974, 1618, 1948, 2435, 3236, 4045, 4870, 8090, 9253, 9740, 15371, 16180, 18506, 30742, 37012, 46265, 61484, 76855, 92530, 153710, 185060, 307420, 393983, 787966, 1575932, 1969915, 3939830, 7485677, 7879660, 14971354, 29942708, 37428385, 74856770, 149713540]

約数ペア:

[(1, 149713540), (2, 74856770), (4, 37428385), (5, 29942708), (10, 14971354), (19, 7879660), (20, 7485677), (38, 3939830), (76, 1969915), (95, 1575932), (190, 787966), (380, 393983), (487, 307420), (809, 185060), (974, 153710), (1618, 92530), (1948, 76855), (2435, 61484), (3236, 46265), (4045, 37012), (4870, 30742), (8090, 18506), (9253, 16180), (9740, 15371)]