201760400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:409

約数の個数: 120

約数和(自身を含む): 511467264

約数和(自身を除く): 309706864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 53, 62, 80, 100, 106, 124, 155, 200, 212, 248, 265, 307, 310, 400, 424, 496, 530, 614, 620, 775, 848, 1060, 1228, 1240, 1325, 1535, 1550, 1643, 2120, 2456, 2480, 2650, 3070, 3100, 3286, 4240, 4912, 5300, 6140, 6200, 6572, 7675, 8215, 9517, 10600, 12280, 12400, 13144, 15350, 16271, 16430, 19034, 21200, 24560, 26288, 30700, 32542, 32860, 38068, 41075, 47585, 61400, 65084, 65720, 76136, 81355, 82150, 95170, 122800, 130168, 131440, 152272, 162710, 164300, 190340, 237925, 260336, 325420, 328600, 380680, 406775, 475850, 504401, 650840, 657200, 761360, 813550, 951700, 1008802, 1301680, 1627100, 1903400, 2017604, 2522005, 3254200, 3806800, 4035208, 5044010, 6508400, 8070416, 10088020, 12610025, 20176040, 25220050, 40352080, 50440100, 100880200, 201760400]

約数ペア:

[(1, 201760400), (2, 100880200), (4, 50440100), (5, 40352080), (8, 25220050), (10, 20176040), (16, 12610025), (20, 10088020), (25, 8070416), (31, 6508400), (40, 5044010), (50, 4035208), (53, 3806800), (62, 3254200), (80, 2522005), (100, 2017604), (106, 1903400), (124, 1627100), (155, 1301680), (200, 1008802), (212, 951700), (248, 813550), (265, 761360), (307, 657200), (310, 650840), (400, 504401), (424, 475850), (496, 406775), (530, 380680), (614, 328600), (620, 325420), (775, 260336), (848, 237925), (1060, 190340), (1228, 164300), (1240, 162710), (1325, 152272), (1535, 131440), (1550, 130168), (1643, 122800), (2120, 95170), (2456, 82150), (2480, 81355), (2650, 76136), (3070, 65720), (3100, 65084), (3286, 61400), (4240, 47585), (4912, 41075), (5300, 38068), (6140, 32860), (6200, 32542), (6572, 30700), (7675, 26288), (8215, 24560), (9517, 21200), (10600, 19034), (12280, 16430), (12400, 16271), (13144, 15350)]