216089.0000000

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 12749184

約数和(自身を除く): 6957844

約数列:

[1, 2, 4, 5, 10, 20, 47, 61, 94, 101, 122, 188, 202, 235, 244, 305, 404, 470, 505, 610, 940, 1010, 1220, 2020, 2867, 4747, 5734, 6161, 9494, 11468, 12322, 14335, 18988, 23735, 24644, 28670, 30805, 47470, 57340, 61610, 94940, 123220, 289567, 579134, 1158268, 1447835, 2895670, 5791340]

約数ペア:

[(1, 5791340), (2, 2895670), (4, 1447835), (5, 1158268), (10, 579134), (20, 289567), (47, 123220), (61, 94940), (94, 61610), (101, 57340), (122, 47470), (188, 30805), (202, 28670), (235, 24644), (244, 23735), (305, 18988), (404, 14335), (470, 12322), (505, 11468), (610, 9494), (940, 6161), (1010, 5734), (1220, 4747), (2020, 2867)]