1958381680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^3\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:196

約数の個数: 160

約数和(自身を含む): 4977181440

約数和(自身を除く): 3018799760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 43, 76, 80, 83, 86, 95, 152, 166, 172, 190, 215, 304, 332, 344, 361, 380, 415, 430, 664, 688, 722, 760, 817, 830, 860, 1328, 1444, 1520, 1577, 1634, 1660, 1720, 1805, 2888, 3154, 3268, 3320, 3440, 3569, 3610, 4085, 5776, 6308, 6536, 6640, 6859, 7138, 7220, 7885, 8170, 12616, 13072, 13718, 14276, 14440, 15523, 15770, 16340, 17845, 25232, 27436, 28552, 28880, 29963, 31046, 31540, 32680, 34295, 35690, 54872, 57104, 59926, 62092, 63080, 65360, 67811, 68590, 71380, 77615, 109744, 119852, 124184, 126160, 135622, 137180, 142760, 149815, 155230, 239704, 248368, 271244, 274360, 285520, 294937, 299630, 310460, 339055, 479408, 542488, 548720, 569297, 589874, 599260, 620920, 678110, 1084976, 1138594, 1179748, 1198520, 1241840, 1288409, 1356220, 1474685, 2277188, 2359496, 2397040, 2576818, 2712440, 2846485, 2949370, 4554376, 4718992, 5153636, 5424880, 5692970, 5898740, 6442045, 9108752, 10307272, 11385940, 11797480, 12884090, 20614544, 22771880, 23594960, 24479771, 25768180, 45543760, 48959542, 51536360, 97919084, 103072720, 122398855, 195838168, 244797710, 391676336, 489595420, 979190840, 1958381680]

約数ペア:

[(1, 1958381680), (2, 979190840), (4, 489595420), (5, 391676336), (8, 244797710), (10, 195838168), (16, 122398855), (19, 103072720), (20, 97919084), (38, 51536360), (40, 48959542), (43, 45543760), (76, 25768180), (80, 24479771), (83, 23594960), (86, 22771880), (95, 20614544), (152, 12884090), (166, 11797480), (172, 11385940), (190, 10307272), (215, 9108752), (304, 6442045), (332, 5898740), (344, 5692970), (361, 5424880), (380, 5153636), (415, 4718992), (430, 4554376), (664, 2949370), (688, 2846485), (722, 2712440), (760, 2576818), (817, 2397040), (830, 2359496), (860, 2277188), (1328, 1474685), (1444, 1356220), (1520, 1288409), (1577, 1241840), (1634, 1198520), (1660, 1179748), (1720, 1138594), (1805, 1084976), (2888, 678110), (3154, 620920), (3268, 599260), (3320, 589874), (3440, 569297), (3569, 548720), (3610, 542488), (4085, 479408), (5776, 339055), (6308, 310460), (6536, 299630), (6640, 294937), (6859, 285520), (7138, 274360), (7220, 271244), (7885, 248368), (8170, 239704), (12616, 155230), (13072, 149815), (13718, 142760), (14276, 137180), (14440, 135622), (15523, 126160), (15770, 124184), (16340, 119852), (17845, 109744), (25232, 77615), (27436, 71380), (28552, 68590), (28880, 67811), (29963, 65360), (31046, 63080), (31540, 62092), (32680, 59926), (34295, 57104), (35690, 54872)]