181810100

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{383}}^1$

素因数の和:545

約数の個数: 72

約数和(自身を含む): 407973888

約数和(自身を除く): 226163788

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 101, 188, 202, 235, 383, 404, 470, 505, 766, 940, 1010, 1175, 1532, 1915, 2020, 2350, 2525, 3830, 4700, 4747, 5050, 7660, 9494, 9575, 10100, 18001, 18988, 19150, 23735, 36002, 38300, 38683, 47470, 72004, 77366, 90005, 94940, 118675, 154732, 180010, 193415, 237350, 360020, 386830, 450025, 474700, 773660, 900050, 967075, 1800100, 1818101, 1934150, 3636202, 3868300, 7272404, 9090505, 18181010, 36362020, 45452525, 90905050, 181810100]

約数ペア:

[(1, 181810100), (2, 90905050), (4, 45452525), (5, 36362020), (10, 18181010), (20, 9090505), (25, 7272404), (47, 3868300), (50, 3636202), (94, 1934150), (100, 1818101), (101, 1800100), (188, 967075), (202, 900050), (235, 773660), (383, 474700), (404, 450025), (470, 386830), (505, 360020), (766, 237350), (940, 193415), (1010, 180010), (1175, 154732), (1532, 118675), (1915, 94940), (2020, 90005), (2350, 77366), (2525, 72004), (3830, 47470), (4700, 38683), (4747, 38300), (5050, 36002), (7660, 23735), (9494, 19150), (9575, 18988), (10100, 18001)]