1277650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:147

約数の個数: 48

約数和(自身を含む): 2731968

約数和(自身を除く): 1454318

約数列:

[1, 2, 5, 10, 11, 22, 23, 25, 46, 50, 55, 101, 110, 115, 202, 230, 253, 275, 505, 506, 550, 575, 1010, 1111, 1150, 1265, 2222, 2323, 2525, 2530, 4646, 5050, 5555, 6325, 11110, 11615, 12650, 23230, 25553, 27775, 51106, 55550, 58075, 116150, 127765, 255530, 638825, 1277650]

約数ペア:

[(1, 1277650), (2, 638825), (5, 255530), (10, 127765), (11, 116150), (22, 58075), (23, 55550), (25, 51106), (46, 27775), (50, 25553), (55, 23230), (101, 12650), (110, 11615), (115, 11110), (202, 6325), (230, 5555), (253, 5050), (275, 4646), (505, 2530), (506, 2525), (550, 2323), (575, 2222), (1010, 1265), (1111, 1150)]