194157440

素因数分解:

$2^7\times 5^1\times {\mathrm{303371}}^1$

素因数の和:303390

約数の個数: 32

約数和(自身を含む): 464159160

約数和(自身を除く): 270001720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 303371, 606742, 1213484, 1516855, 2426968, 3033710, 4853936, 6067420, 9707872, 12134840, 19415744, 24269680, 38831488, 48539360, 97078720, 194157440]

約数ペア:

[(1, 194157440), (2, 97078720), (4, 48539360), (5, 38831488), (8, 24269680), (10, 19415744), (16, 12134840), (20, 9707872), (32, 6067420), (40, 4853936), (64, 3033710), (80, 2426968), (128, 1516855), (160, 1213484), (320, 606742), (640, 303371)]