16949900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{811}}^1$

素因数の和:855

約数の個数: 72

約数和(自身を含む): 42288960

約数和(自身を除く): 25339060

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 190, 209, 220, 275, 380, 418, 475, 550, 811, 836, 950, 1045, 1100, 1622, 1900, 2090, 3244, 4055, 4180, 5225, 8110, 8921, 10450, 15409, 16220, 17842, 20275, 20900, 30818, 35684, 40550, 44605, 61636, 77045, 81100, 89210, 154090, 169499, 178420, 223025, 308180, 338998, 385225, 446050, 677996, 770450, 847495, 892100, 1540900, 1694990, 3389980, 4237475, 8474950, 16949900]

約数ペア:

[(1, 16949900), (2, 8474950), (4, 4237475), (5, 3389980), (10, 1694990), (11, 1540900), (19, 892100), (20, 847495), (22, 770450), (25, 677996), (38, 446050), (44, 385225), (50, 338998), (55, 308180), (76, 223025), (95, 178420), (100, 169499), (110, 154090), (190, 89210), (209, 81100), (220, 77045), (275, 61636), (380, 44605), (418, 40550), (475, 35684), (550, 30818), (811, 20900), (836, 20275), (950, 17842), (1045, 16220), (1100, 15409), (1622, 10450), (1900, 8921), (2090, 8110), (3244, 5225), (4055, 4180)]