28387140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{673}}^1$

素因数の和:741

約数の個数: 96

約数和(自身を含む): 86056320

約数和(自身を除く): 57669180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 37, 38, 57, 60, 74, 76, 95, 111, 114, 148, 185, 190, 222, 228, 285, 370, 380, 444, 555, 570, 673, 703, 740, 1110, 1140, 1346, 1406, 2019, 2109, 2220, 2692, 2812, 3365, 3515, 4038, 4218, 6730, 7030, 8076, 8436, 10095, 10545, 12787, 13460, 14060, 20190, 21090, 24901, 25574, 38361, 40380, 42180, 49802, 51148, 63935, 74703, 76722, 99604, 124505, 127870, 149406, 153444, 191805, 249010, 255740, 298812, 373515, 383610, 473119, 498020, 747030, 767220, 946238, 1419357, 1494060, 1892476, 2365595, 2838714, 4731190, 5677428, 7096785, 9462380, 14193570, 28387140]

約数ペア:

[(1, 28387140), (2, 14193570), (3, 9462380), (4, 7096785), (5, 5677428), (6, 4731190), (10, 2838714), (12, 2365595), (15, 1892476), (19, 1494060), (20, 1419357), (30, 946238), (37, 767220), (38, 747030), (57, 498020), (60, 473119), (74, 383610), (76, 373515), (95, 298812), (111, 255740), (114, 249010), (148, 191805), (185, 153444), (190, 149406), (222, 127870), (228, 124505), (285, 99604), (370, 76722), (380, 74703), (444, 63935), (555, 51148), (570, 49802), (673, 42180), (703, 40380), (740, 38361), (1110, 25574), (1140, 24901), (1346, 21090), (1406, 20190), (2019, 14060), (2109, 13460), (2220, 12787), (2692, 10545), (2812, 10095), (3365, 8436), (3515, 8076), (4038, 7030), (4218, 6730)]