67982500

素因数分解:

$2^2\times 5^4\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:478

約数の個数: 60

約数和(自身を含む): 151151616

約数和(自身を除く): 83169116

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 125, 142, 250, 284, 355, 383, 500, 625, 710, 766, 1250, 1420, 1532, 1775, 1915, 2500, 3550, 3830, 7100, 7660, 8875, 9575, 17750, 19150, 27193, 35500, 38300, 44375, 47875, 54386, 88750, 95750, 108772, 135965, 177500, 191500, 239375, 271930, 478750, 543860, 679825, 957500, 1359650, 2719300, 3399125, 6798250, 13596500, 16995625, 33991250, 67982500]

約数ペア:

[(1, 67982500), (2, 33991250), (4, 16995625), (5, 13596500), (10, 6798250), (20, 3399125), (25, 2719300), (50, 1359650), (71, 957500), (100, 679825), (125, 543860), (142, 478750), (250, 271930), (284, 239375), (355, 191500), (383, 177500), (500, 135965), (625, 108772), (710, 95750), (766, 88750), (1250, 54386), (1420, 47875), (1532, 44375), (1775, 38300), (1915, 35500), (2500, 27193), (3550, 19150), (3830, 17750), (7100, 9575), (7660, 8875)]