1999398975

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{883}}^1$

素因数の和:1149

約数の個数: 96

約数和(自身を含む): 3998791680

約数和(自身を除く): 1999392705

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 227, 285, 399, 475, 525, 665, 681, 883, 1135, 1425, 1589, 1995, 2649, 3325, 3405, 4313, 4415, 4767, 5675, 6181, 7945, 9975, 12939, 13245, 16777, 17025, 18543, 21565, 22075, 23835, 30191, 30905, 39725, 50331, 64695, 66225, 83885, 90573, 92715, 107825, 117439, 119175, 150955, 154525, 200441, 251655, 323475, 352317, 419425, 452865, 463575, 587195, 601323, 754775, 1002205, 1258275, 1403087, 1761585, 2264325, 2935975, 3006615, 3808379, 4209261, 5011025, 7015435, 8807925, 11425137, 15033075, 19041895, 21046305, 26658653, 35077175, 57125685, 79975959, 95209475, 105231525, 133293265, 285628425, 399879795, 666466325, 1999398975]

約数ペア:

[(1, 1999398975), (3, 666466325), (5, 399879795), (7, 285628425), (15, 133293265), (19, 105231525), (21, 95209475), (25, 79975959), (35, 57125685), (57, 35077175), (75, 26658653), (95, 21046305), (105, 19041895), (133, 15033075), (175, 11425137), (227, 8807925), (285, 7015435), (399, 5011025), (475, 4209261), (525, 3808379), (665, 3006615), (681, 2935975), (883, 2264325), (1135, 1761585), (1425, 1403087), (1589, 1258275), (1995, 1002205), (2649, 754775), (3325, 601323), (3405, 587195), (4313, 463575), (4415, 452865), (4767, 419425), (5675, 352317), (6181, 323475), (7945, 251655), (9975, 200441), (12939, 154525), (13245, 150955), (16777, 119175), (17025, 117439), (18543, 107825), (21565, 92715), (22075, 90573), (23835, 83885), (30191, 66225), (30905, 64695), (39725, 50331)]