390785220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{937}}^1$

素因数の和:1290

約数の個数: 144

約数和(自身を含む): 1360265088

約数和(自身を除く): 969479868

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 331, 420, 630, 662, 937, 993, 1260, 1324, 1655, 1874, 1986, 2317, 2811, 2979, 3310, 3748, 3972, 4634, 4685, 4965, 5622, 5958, 6559, 6620, 6951, 8433, 9268, 9370, 9930, 11244, 11585, 11916, 13118, 13902, 14055, 14895, 16866, 18740, 19677, 19860, 20853, 23170, 26236, 27804, 28110, 29790, 32795, 33732, 34755, 39354, 41706, 42165, 46340, 56220, 59031, 59580, 65590, 69510, 78708, 83412, 84330, 98385, 104265, 118062, 131180, 139020, 168660, 196770, 208530, 236124, 295155, 310147, 393540, 417060, 590310, 620294, 930441, 1180620, 1240588, 1550735, 1860882, 2171029, 2791323, 3101470, 3721764, 4342058, 4652205, 5582646, 6202940, 6513087, 8684116, 9304410, 10855145, 11165292, 13026174, 13956615, 18608820, 19539261, 21710290, 26052348, 27913230, 32565435, 39078522, 43420580, 55826460, 65130870, 78157044, 97696305, 130261740, 195392610, 390785220]

約数ペア:

[(1, 390785220), (2, 195392610), (3, 130261740), (4, 97696305), (5, 78157044), (6, 65130870), (7, 55826460), (9, 43420580), (10, 39078522), (12, 32565435), (14, 27913230), (15, 26052348), (18, 21710290), (20, 19539261), (21, 18608820), (28, 13956615), (30, 13026174), (35, 11165292), (36, 10855145), (42, 9304410), (45, 8684116), (60, 6513087), (63, 6202940), (70, 5582646), (84, 4652205), (90, 4342058), (105, 3721764), (126, 3101470), (140, 2791323), (180, 2171029), (210, 1860882), (252, 1550735), (315, 1240588), (331, 1180620), (420, 930441), (630, 620294), (662, 590310), (937, 417060), (993, 393540), (1260, 310147), (1324, 295155), (1655, 236124), (1874, 208530), (1986, 196770), (2317, 168660), (2811, 139020), (2979, 131180), (3310, 118062), (3748, 104265), (3972, 98385), (4634, 84330), (4685, 83412), (4965, 78708), (5622, 69510), (5958, 65590), (6559, 59580), (6620, 59031), (6951, 56220), (8433, 46340), (9268, 42165), (9370, 41706), (9930, 39354), (11244, 34755), (11585, 33732), (11916, 32795), (13118, 29790), (13902, 28110), (14055, 27804), (14895, 26236), (16866, 23170), (18740, 20853), (19677, 19860)]