198646250

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{14447}}^1$

素因数の和:14480

約数の個数: 40

約数和(自身を含む): 406219968

約数和(自身を除く): 207573718

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 625, 1250, 1375, 2750, 6875, 13750, 14447, 28894, 72235, 144470, 158917, 317834, 361175, 722350, 794585, 1589170, 1805875, 3611750, 3972925, 7945850, 9029375, 18058750, 19864625, 39729250, 99323125, 198646250]

約数ペア:

[(1, 198646250), (2, 99323125), (5, 39729250), (10, 19864625), (11, 18058750), (22, 9029375), (25, 7945850), (50, 3972925), (55, 3611750), (110, 1805875), (125, 1589170), (250, 794585), (275, 722350), (550, 361175), (625, 317834), (1250, 158917), (1375, 144470), (2750, 72235), (6875, 28894), (13750, 14447)]