251269072

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:404

約数の個数: 80

約数和(自身を含む): 534340800

約数和(自身を除く): 283071728

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 74, 76, 89, 148, 152, 178, 251, 296, 304, 356, 502, 592, 703, 712, 1004, 1406, 1424, 1691, 2008, 2812, 3293, 3382, 4016, 4769, 5624, 6586, 6764, 9287, 9538, 11248, 13172, 13528, 18574, 19076, 22339, 26344, 27056, 37148, 38152, 44678, 52688, 62567, 74296, 76304, 89356, 125134, 148592, 176453, 178712, 250268, 352906, 357424, 424441, 500536, 705812, 826543, 848882, 1001072, 1411624, 1653086, 1697764, 2823248, 3306172, 3395528, 6612344, 6791056, 13224688, 15704317, 31408634, 62817268, 125634536, 251269072]

約数ペア:

[(1, 251269072), (2, 125634536), (4, 62817268), (8, 31408634), (16, 15704317), (19, 13224688), (37, 6791056), (38, 6612344), (74, 3395528), (76, 3306172), (89, 2823248), (148, 1697764), (152, 1653086), (178, 1411624), (251, 1001072), (296, 848882), (304, 826543), (356, 705812), (502, 500536), (592, 424441), (703, 357424), (712, 352906), (1004, 250268), (1406, 178712), (1424, 176453), (1691, 148592), (2008, 125134), (2812, 89356), (3293, 76304), (3382, 74296), (4016, 62567), (4769, 52688), (5624, 44678), (6586, 38152), (6764, 37148), (9287, 27056), (9538, 26344), (11248, 22339), (13172, 19076), (13528, 18574)]