201157660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{823}}^1$

素因数の和:955

約数の個数: 72

約数和(自身を含む): 469492128

約数和(自身を除く): 268334468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 121, 202, 220, 242, 404, 484, 505, 605, 823, 1010, 1111, 1210, 1646, 2020, 2222, 2420, 3292, 4115, 4444, 5555, 8230, 9053, 11110, 12221, 16460, 18106, 22220, 24442, 36212, 45265, 48884, 61105, 83123, 90530, 99583, 122210, 166246, 181060, 199166, 244420, 332492, 398332, 415615, 497915, 831230, 914353, 995830, 1662460, 1828706, 1991660, 3657412, 4571765, 9143530, 10057883, 18287060, 20115766, 40231532, 50289415, 100578830, 201157660]

約数ペア:

[(1, 201157660), (2, 100578830), (4, 50289415), (5, 40231532), (10, 20115766), (11, 18287060), (20, 10057883), (22, 9143530), (44, 4571765), (55, 3657412), (101, 1991660), (110, 1828706), (121, 1662460), (202, 995830), (220, 914353), (242, 831230), (404, 497915), (484, 415615), (505, 398332), (605, 332492), (823, 244420), (1010, 199166), (1111, 181060), (1210, 166246), (1646, 122210), (2020, 99583), (2222, 90530), (2420, 83123), (3292, 61105), (4115, 48884), (4444, 45265), (5555, 36212), (8230, 24442), (9053, 22220), (11110, 18106), (12221, 16460)]