287020175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{877}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 411536160

約数和(自身を除く): 124515985

約数列:

[1, 5, 13, 19, 25, 53, 65, 95, 247, 265, 325, 475, 689, 877, 1007, 1235, 1325, 3445, 4385, 5035, 6175, 11401, 13091, 16663, 17225, 21925, 25175, 46481, 57005, 65455, 83315, 216619, 232405, 285025, 327275, 416575, 604253, 883139, 1083095, 1162025, 3021265, 4415695, 5415475, 11480807, 15106325, 22078475, 57404035, 287020175]

約数ペア:

[(1, 287020175), (5, 57404035), (13, 22078475), (19, 15106325), (25, 11480807), (53, 5415475), (65, 4415695), (95, 3021265), (247, 1162025), (265, 1083095), (325, 883139), (475, 604253), (689, 416575), (877, 327275), (1007, 285025), (1235, 232405), (1325, 216619), (3445, 83315), (4385, 65455), (5035, 57005), (6175, 46481), (11401, 25175), (13091, 21925), (16663, 17225)]