43804420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{787}}^1$

素因数の和:841

約数の個数: 72

約数和(自身を含む): 105642432

約数和(自身を除く): 61838012

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 121, 220, 230, 242, 253, 460, 484, 506, 605, 787, 1012, 1210, 1265, 1574, 2420, 2530, 2783, 3148, 3935, 5060, 5566, 7870, 8657, 11132, 13915, 15740, 17314, 18101, 27830, 34628, 36202, 43285, 55660, 72404, 86570, 90505, 95227, 173140, 181010, 190454, 199111, 362020, 380908, 398222, 476135, 796444, 952270, 995555, 1904540, 1991110, 2190221, 3982220, 4380442, 8760884, 10951105, 21902210, 43804420]

約数ペア:

[(1, 43804420), (2, 21902210), (4, 10951105), (5, 8760884), (10, 4380442), (11, 3982220), (20, 2190221), (22, 1991110), (23, 1904540), (44, 995555), (46, 952270), (55, 796444), (92, 476135), (110, 398222), (115, 380908), (121, 362020), (220, 199111), (230, 190454), (242, 181010), (253, 173140), (460, 95227), (484, 90505), (506, 86570), (605, 72404), (787, 55660), (1012, 43285), (1210, 36202), (1265, 34628), (1574, 27830), (2420, 18101), (2530, 17314), (2783, 15740), (3148, 13915), (3935, 11132), (5060, 8657), (5566, 7870)]