1381417280

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{253937}}^1$

素因数の和:253971

約数の個数: 56

約数和(自身を含む): 3483013608

約数和(自身を除く): 2101596328

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 253937, 507874, 1015748, 1269685, 2031496, 2539370, 4062992, 4316929, 5078740, 8125984, 8633858, 10157480, 16251968, 17267716, 20314960, 21584645, 34535432, 40629920, 43169290, 69070864, 81259840, 86338580, 138141728, 172677160, 276283456, 345354320, 690708640, 1381417280]

約数ペア:

[(1, 1381417280), (2, 690708640), (4, 345354320), (5, 276283456), (8, 172677160), (10, 138141728), (16, 86338580), (17, 81259840), (20, 69070864), (32, 43169290), (34, 40629920), (40, 34535432), (64, 21584645), (68, 20314960), (80, 17267716), (85, 16251968), (136, 10157480), (160, 8633858), (170, 8125984), (272, 5078740), (320, 4316929), (340, 4062992), (544, 2539370), (680, 2031496), (1088, 1269685), (1360, 1015748), (2720, 507874), (5440, 253937)]