490631220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{719}}^1$

素因数の和:974

約数の個数: 144

約数和(自身を含む): 1585059840

約数和(自身を除く): 1094428620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 223, 255, 306, 340, 446, 510, 612, 669, 719, 765, 892, 1020, 1115, 1338, 1438, 1530, 2007, 2157, 2230, 2676, 2876, 3060, 3345, 3595, 3791, 4014, 4314, 4460, 6471, 6690, 7190, 7582, 8028, 8628, 10035, 10785, 11373, 12223, 12942, 13380, 14380, 15164, 18955, 20070, 21570, 22746, 24446, 25884, 32355, 34119, 36669, 37910, 40140, 43140, 45492, 48892, 56865, 61115, 64710, 68238, 73338, 75820, 110007, 113730, 122230, 129420, 136476, 146676, 160337, 170595, 183345, 220014, 227460, 244460, 320674, 341190, 366690, 440028, 481011, 550035, 641348, 682380, 733380, 801685, 962022, 1100070, 1443033, 1603370, 1924044, 2200140, 2405055, 2725729, 2886066, 3206740, 4810110, 5451458, 5772132, 7215165, 8177187, 9620220, 10902916, 13628645, 14430330, 16354374, 24531561, 27257290, 28860660, 32708748, 40885935, 49063122, 54514580, 81771870, 98126244, 122657805, 163543740, 245315610, 490631220]

約数ペア:

[(1, 490631220), (2, 245315610), (3, 163543740), (4, 122657805), (5, 98126244), (6, 81771870), (9, 54514580), (10, 49063122), (12, 40885935), (15, 32708748), (17, 28860660), (18, 27257290), (20, 24531561), (30, 16354374), (34, 14430330), (36, 13628645), (45, 10902916), (51, 9620220), (60, 8177187), (68, 7215165), (85, 5772132), (90, 5451458), (102, 4810110), (153, 3206740), (170, 2886066), (180, 2725729), (204, 2405055), (223, 2200140), (255, 1924044), (306, 1603370), (340, 1443033), (446, 1100070), (510, 962022), (612, 801685), (669, 733380), (719, 682380), (765, 641348), (892, 550035), (1020, 481011), (1115, 440028), (1338, 366690), (1438, 341190), (1530, 320674), (2007, 244460), (2157, 227460), (2230, 220014), (2676, 183345), (2876, 170595), (3060, 160337), (3345, 146676), (3595, 136476), (3791, 129420), (4014, 122230), (4314, 113730), (4460, 110007), (6471, 75820), (6690, 73338), (7190, 68238), (7582, 64710), (8028, 61115), (8628, 56865), (10035, 48892), (10785, 45492), (11373, 43140), (12223, 40140), (12942, 37910), (13380, 36669), (14380, 34119), (15164, 32355), (18955, 25884), (20070, 24446), (21570, 22746)]