318920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:102

約数の個数: 64

約数和(自身を含む): 881280

約数和(自身を除く): 562360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 67, 68, 70, 85, 119, 134, 136, 140, 170, 238, 268, 280, 335, 340, 469, 476, 536, 595, 670, 680, 938, 952, 1139, 1190, 1340, 1876, 2278, 2345, 2380, 2680, 3752, 4556, 4690, 4760, 5695, 7973, 9112, 9380, 11390, 15946, 18760, 22780, 31892, 39865, 45560, 63784, 79730, 159460, 318920]

約数ペア:

[(1, 318920), (2, 159460), (4, 79730), (5, 63784), (7, 45560), (8, 39865), (10, 31892), (14, 22780), (17, 18760), (20, 15946), (28, 11390), (34, 9380), (35, 9112), (40, 7973), (56, 5695), (67, 4760), (68, 4690), (70, 4556), (85, 3752), (119, 2680), (134, 2380), (136, 2345), (140, 2278), (170, 1876), (238, 1340), (268, 1190), (280, 1139), (335, 952), (340, 938), (469, 680), (476, 670), (536, 595)]