490873140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1\times {\mathrm{347}}^1$

素因数の和:662

約数の個数: 144

約数和(自身を含む): 1550465280

約数和(自身を除く): 1059592140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 271, 290, 347, 348, 435, 522, 542, 580, 694, 813, 870, 1041, 1044, 1084, 1305, 1355, 1388, 1626, 1735, 1740, 2082, 2439, 2610, 2710, 3123, 3252, 3470, 4065, 4164, 4878, 5205, 5220, 5420, 6246, 6940, 7859, 8130, 9756, 10063, 10410, 12195, 12492, 15615, 15718, 16260, 20126, 20820, 23577, 24390, 30189, 31230, 31436, 39295, 40252, 47154, 48780, 50315, 60378, 62460, 70731, 78590, 90567, 94037, 94308, 100630, 117885, 120756, 141462, 150945, 157180, 181134, 188074, 201260, 235770, 282111, 282924, 301890, 353655, 362268, 376148, 452835, 470185, 471540, 564222, 603780, 707310, 846333, 905670, 940370, 1128444, 1410555, 1414620, 1692666, 1811340, 1880740, 2727073, 2821110, 3385332, 4231665, 5454146, 5642220, 8181219, 8463330, 10908292, 13635365, 16362438, 16926660, 24543657, 27270730, 32724876, 40906095, 49087314, 54541460, 81812190, 98174628, 122718285, 163624380, 245436570, 490873140]

約数ペア:

[(1, 490873140), (2, 245436570), (3, 163624380), (4, 122718285), (5, 98174628), (6, 81812190), (9, 54541460), (10, 49087314), (12, 40906095), (15, 32724876), (18, 27270730), (20, 24543657), (29, 16926660), (30, 16362438), (36, 13635365), (45, 10908292), (58, 8463330), (60, 8181219), (87, 5642220), (90, 5454146), (116, 4231665), (145, 3385332), (174, 2821110), (180, 2727073), (261, 1880740), (271, 1811340), (290, 1692666), (347, 1414620), (348, 1410555), (435, 1128444), (522, 940370), (542, 905670), (580, 846333), (694, 707310), (813, 603780), (870, 564222), (1041, 471540), (1044, 470185), (1084, 452835), (1305, 376148), (1355, 362268), (1388, 353655), (1626, 301890), (1735, 282924), (1740, 282111), (2082, 235770), (2439, 201260), (2610, 188074), (2710, 181134), (3123, 157180), (3252, 150945), (3470, 141462), (4065, 120756), (4164, 117885), (4878, 100630), (5205, 94308), (5220, 94037), (5420, 90567), (6246, 78590), (6940, 70731), (7859, 62460), (8130, 60378), (9756, 50315), (10063, 48780), (10410, 47154), (12195, 40252), (12492, 39295), (15615, 31436), (15718, 31230), (16260, 30189), (20126, 24390), (20820, 23577)]