355720820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{811}}^1$

素因数の和:1081

約数の個数: 96

約数和(自身を含む): 924354816

約数和(自身を除く): 568633996

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 241, 260, 364, 455, 482, 811, 910, 964, 1205, 1622, 1687, 1820, 2410, 3133, 3244, 3374, 4055, 4820, 5677, 6266, 6748, 8110, 8435, 10543, 11354, 12532, 15665, 16220, 16870, 21086, 21931, 22708, 28385, 31330, 33740, 42172, 43862, 52715, 56770, 62660, 73801, 87724, 105430, 109655, 113540, 147602, 195451, 210860, 219310, 295204, 369005, 390902, 438620, 738010, 781804, 977255, 1368157, 1476020, 1954510, 2540863, 2736314, 3909020, 5081726, 5472628, 6840785, 10163452, 12704315, 13681570, 17786041, 25408630, 27363140, 35572082, 50817260, 71144164, 88930205, 177860410, 355720820]

約数ペア:

[(1, 355720820), (2, 177860410), (4, 88930205), (5, 71144164), (7, 50817260), (10, 35572082), (13, 27363140), (14, 25408630), (20, 17786041), (26, 13681570), (28, 12704315), (35, 10163452), (52, 6840785), (65, 5472628), (70, 5081726), (91, 3909020), (130, 2736314), (140, 2540863), (182, 1954510), (241, 1476020), (260, 1368157), (364, 977255), (455, 781804), (482, 738010), (811, 438620), (910, 390902), (964, 369005), (1205, 295204), (1622, 219310), (1687, 210860), (1820, 195451), (2410, 147602), (3133, 113540), (3244, 109655), (3374, 105430), (4055, 87724), (4820, 73801), (5677, 62660), (6266, 56770), (6748, 52715), (8110, 43862), (8435, 42172), (10543, 33740), (11354, 31330), (12532, 28385), (15665, 22708), (16220, 21931), (16870, 21086)]