17554040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{883}}^1$

素因数の和:972

約数の個数: 64

約数和(自身を含む): 45826560

約数和(自身を除く): 28272520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 883, 994, 1420, 1766, 1988, 2485, 2840, 3532, 3976, 4415, 4970, 6181, 7064, 8830, 9940, 12362, 17660, 19880, 24724, 30905, 35320, 49448, 61810, 62693, 123620, 125386, 247240, 250772, 313465, 438851, 501544, 626930, 877702, 1253860, 1755404, 2194255, 2507720, 3510808, 4388510, 8777020, 17554040]

約数ペア:

[(1, 17554040), (2, 8777020), (4, 4388510), (5, 3510808), (7, 2507720), (8, 2194255), (10, 1755404), (14, 1253860), (20, 877702), (28, 626930), (35, 501544), (40, 438851), (56, 313465), (70, 250772), (71, 247240), (140, 125386), (142, 123620), (280, 62693), (284, 61810), (355, 49448), (497, 35320), (568, 30905), (710, 24724), (883, 19880), (994, 17660), (1420, 12362), (1766, 9940), (1988, 8830), (2485, 7064), (2840, 6181), (3532, 4970), (3976, 4415)]