831195440

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1\times {\mathrm{419}}^1$

素因数の和:750

約数の個数: 80

約数和(自身を含む): 1962061920

約数和(自身を除く): 1130866480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 181, 274, 362, 419, 548, 685, 724, 838, 905, 1096, 1370, 1448, 1676, 1810, 2095, 2192, 2740, 2896, 3352, 3620, 4190, 5480, 6704, 7240, 8380, 10960, 14480, 16760, 24797, 33520, 49594, 57403, 75839, 99188, 114806, 123985, 151678, 198376, 229612, 247970, 287015, 303356, 379195, 396752, 459224, 495940, 574030, 606712, 758390, 918448, 991880, 1148060, 1213424, 1516780, 1983760, 2296120, 3033560, 4592240, 6067120, 10389943, 20779886, 41559772, 51949715, 83119544, 103899430, 166239088, 207798860, 415597720, 831195440]

約数ペア:

[(1, 831195440), (2, 415597720), (4, 207798860), (5, 166239088), (8, 103899430), (10, 83119544), (16, 51949715), (20, 41559772), (40, 20779886), (80, 10389943), (137, 6067120), (181, 4592240), (274, 3033560), (362, 2296120), (419, 1983760), (548, 1516780), (685, 1213424), (724, 1148060), (838, 991880), (905, 918448), (1096, 758390), (1370, 606712), (1448, 574030), (1676, 495940), (1810, 459224), (2095, 396752), (2192, 379195), (2740, 303356), (2896, 287015), (3352, 247970), (3620, 229612), (4190, 198376), (5480, 151678), (6704, 123985), (7240, 114806), (8380, 99188), (10960, 75839), (14480, 57403), (16760, 49594), (24797, 33520)]