2810830

素因数分解:

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

素因数の和:153

約数の個数: 48

約数和(自身を含む): 5860512

約数和(自身を除く): 3049682

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 101, 110, 115, 121, 202, 230, 242, 253, 505, 506, 605, 1010, 1111, 1210, 1265, 2222, 2323, 2530, 2783, 4646, 5555, 5566, 11110, 11615, 12221, 13915, 23230, 24442, 25553, 27830, 51106, 61105, 122210, 127765, 255530, 281083, 562166, 1405415, 2810830]

約数ペア:

[(1, 2810830), (2, 1405415), (5, 562166), (10, 281083), (11, 255530), (22, 127765), (23, 122210), (46, 61105), (55, 51106), (101, 27830), (110, 25553), (115, 24442), (121, 23230), (202, 13915), (230, 12221), (242, 11615), (253, 11110), (505, 5566), (506, 5555), (605, 4646), (1010, 2783), (1111, 2530), (1210, 2323), (1265, 2222)]