401047700

素因数分解:

$2^2\times 5^2\times {\mathrm{83}}^1\times {\mathrm{211}}^1\times {\mathrm{229}}^1$

素因数の和:537

約数の個数: 72

約数和(自身を含む): 888797280

約数和(自身を除く): 487749580

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 83, 100, 166, 211, 229, 332, 415, 422, 458, 830, 844, 916, 1055, 1145, 1660, 2075, 2110, 2290, 4150, 4220, 4580, 5275, 5725, 8300, 10550, 11450, 17513, 19007, 21100, 22900, 35026, 38014, 48319, 70052, 76028, 87565, 95035, 96638, 175130, 190070, 193276, 241595, 350260, 380140, 437825, 475175, 483190, 875650, 950350, 966380, 1207975, 1751300, 1900700, 2415950, 4010477, 4831900, 8020954, 16041908, 20052385, 40104770, 80209540, 100261925, 200523850, 401047700]

約数ペア:

[(1, 401047700), (2, 200523850), (4, 100261925), (5, 80209540), (10, 40104770), (20, 20052385), (25, 16041908), (50, 8020954), (83, 4831900), (100, 4010477), (166, 2415950), (211, 1900700), (229, 1751300), (332, 1207975), (415, 966380), (422, 950350), (458, 875650), (830, 483190), (844, 475175), (916, 437825), (1055, 380140), (1145, 350260), (1660, 241595), (2075, 193276), (2110, 190070), (2290, 175130), (4150, 96638), (4220, 95035), (4580, 87565), (5275, 76028), (5725, 70052), (8300, 48319), (10550, 38014), (11450, 35026), (17513, 22900), (19007, 21100)]