156939784840

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{2017}}^1\times {\mathrm{4391}}^1$

素因数の和:6862

約数の個数: 64

約数和(自身を含む): 354167717760

約数和(自身を除く): 197227932920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1772, 2017, 2215, 3544, 4034, 4391, 4430, 8068, 8782, 8860, 10085, 16136, 17564, 17720, 20170, 21955, 35128, 40340, 43910, 80680, 87820, 175640, 893531, 1787062, 1945213, 3574124, 3890426, 4467655, 7148248, 7780852, 8856647, 8935310, 9726065, 15561704, 17713294, 17870620, 19452130, 35426588, 35741240, 38904260, 44283235, 70853176, 77808520, 88566470, 177132940, 354265880, 3923494621, 7846989242, 15693978484, 19617473105, 31387956968, 39234946210, 78469892420, 156939784840]

約数ペア:

[(1, 156939784840), (2, 78469892420), (4, 39234946210), (5, 31387956968), (8, 19617473105), (10, 15693978484), (20, 7846989242), (40, 3923494621), (443, 354265880), (886, 177132940), (1772, 88566470), (2017, 77808520), (2215, 70853176), (3544, 44283235), (4034, 38904260), (4391, 35741240), (4430, 35426588), (8068, 19452130), (8782, 17870620), (8860, 17713294), (10085, 15561704), (16136, 9726065), (17564, 8935310), (17720, 8856647), (20170, 7780852), (21955, 7148248), (35128, 4467655), (40340, 3890426), (43910, 3574124), (80680, 1945213), (87820, 1787062), (175640, 893531)]