233285420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:535

約数の個数: 72

約数和(自身を含む): 524865600

約数和(自身を除く): 291580180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 361, 380, 395, 409, 722, 790, 818, 1444, 1501, 1580, 1636, 1805, 2045, 3002, 3610, 4090, 6004, 7220, 7505, 7771, 8180, 15010, 15542, 28519, 30020, 31084, 32311, 38855, 57038, 64622, 77710, 114076, 129244, 142595, 147649, 155420, 161555, 285190, 295298, 323110, 570380, 590596, 613909, 646220, 738245, 1227818, 1476490, 2455636, 2952980, 3069545, 6139090, 11664271, 12278180, 23328542, 46657084, 58321355, 116642710, 233285420]

約数ペア:

[(1, 233285420), (2, 116642710), (4, 58321355), (5, 46657084), (10, 23328542), (19, 12278180), (20, 11664271), (38, 6139090), (76, 3069545), (79, 2952980), (95, 2455636), (158, 1476490), (190, 1227818), (316, 738245), (361, 646220), (380, 613909), (395, 590596), (409, 570380), (722, 323110), (790, 295298), (818, 285190), (1444, 161555), (1501, 155420), (1580, 147649), (1636, 142595), (1805, 129244), (2045, 114076), (3002, 77710), (3610, 64622), (4090, 57038), (6004, 38855), (7220, 32311), (7505, 31084), (7771, 30020), (8180, 28519), (15010, 15542)]