290239620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{2801}}^1$

素因数の和:2981

約数の個数: 96

約数和(自身を含む): 892515456

約数和(自身を除く): 602275836

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 157, 165, 220, 314, 330, 471, 628, 660, 785, 942, 1570, 1727, 1884, 2355, 2801, 3140, 3454, 4710, 5181, 5602, 6908, 8403, 8635, 9420, 10362, 11204, 14005, 16806, 17270, 20724, 25905, 28010, 30811, 33612, 34540, 42015, 51810, 56020, 61622, 84030, 92433, 103620, 123244, 154055, 168060, 184866, 308110, 369732, 439757, 462165, 616220, 879514, 924330, 1319271, 1759028, 1848660, 2198785, 2638542, 4397570, 4837327, 5277084, 6596355, 8795140, 9674654, 13192710, 14511981, 19349308, 24186635, 26385420, 29023962, 48373270, 58047924, 72559905, 96746540, 145119810, 290239620]

約数ペア:

[(1, 290239620), (2, 145119810), (3, 96746540), (4, 72559905), (5, 58047924), (6, 48373270), (10, 29023962), (11, 26385420), (12, 24186635), (15, 19349308), (20, 14511981), (22, 13192710), (30, 9674654), (33, 8795140), (44, 6596355), (55, 5277084), (60, 4837327), (66, 4397570), (110, 2638542), (132, 2198785), (157, 1848660), (165, 1759028), (220, 1319271), (314, 924330), (330, 879514), (471, 616220), (628, 462165), (660, 439757), (785, 369732), (942, 308110), (1570, 184866), (1727, 168060), (1884, 154055), (2355, 123244), (2801, 103620), (3140, 92433), (3454, 84030), (4710, 61622), (5181, 56020), (5602, 51810), (6908, 42015), (8403, 34540), (8635, 33612), (9420, 30811), (10362, 28010), (11204, 25905), (14005, 20724), (16806, 17270)]