28374070

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:432

約数の個数: 32

約数和(自身を含む): 52164000

約数和(自身を除く): 23789930

約数列:

[1, 2, 5, 10, 137, 139, 149, 274, 278, 298, 685, 695, 745, 1370, 1390, 1490, 19043, 20413, 20711, 38086, 40826, 41422, 95215, 102065, 103555, 190430, 204130, 207110, 2837407, 5674814, 14187035, 28374070]

約数ペア:

[(1, 28374070), (2, 14187035), (5, 5674814), (10, 2837407), (137, 207110), (139, 204130), (149, 190430), (274, 103555), (278, 102065), (298, 95215), (685, 41422), (695, 40826), (745, 38086), (1370, 20711), (1390, 20413), (1490, 19043)]