67812100

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{9551}}^1$

素因数の和:9636

約数の個数: 36

約数和(自身を含む): 149240448

約数和(自身を除く): 81428348

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 3550, 7100, 9551, 19102, 38204, 47755, 95510, 191020, 238775, 477550, 678121, 955100, 1356242, 2712484, 3390605, 6781210, 13562420, 16953025, 33906050, 67812100]

約数ペア:

[(1, 67812100), (2, 33906050), (4, 16953025), (5, 13562420), (10, 6781210), (20, 3390605), (25, 2712484), (50, 1356242), (71, 955100), (100, 678121), (142, 477550), (284, 238775), (355, 191020), (710, 95510), (1420, 47755), (1775, 38204), (3550, 19102), (7100, 9551)]