19746100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{619}}^1$

素因数の和:673

約数の個数: 72

約数和(自身を含む): 48434400

約数和(自身を除く): 28688300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 44, 50, 55, 58, 100, 110, 116, 145, 220, 275, 290, 319, 550, 580, 619, 638, 725, 1100, 1238, 1276, 1450, 1595, 2476, 2900, 3095, 3190, 6190, 6380, 6809, 7975, 12380, 13618, 15475, 15950, 17951, 27236, 30950, 31900, 34045, 35902, 61900, 68090, 71804, 89755, 136180, 170225, 179510, 197461, 340450, 359020, 394922, 448775, 680900, 789844, 897550, 987305, 1795100, 1974610, 3949220, 4936525, 9873050, 19746100]

約数ペア:

[(1, 19746100), (2, 9873050), (4, 4936525), (5, 3949220), (10, 1974610), (11, 1795100), (20, 987305), (22, 897550), (25, 789844), (29, 680900), (44, 448775), (50, 394922), (55, 359020), (58, 340450), (100, 197461), (110, 179510), (116, 170225), (145, 136180), (220, 89755), (275, 71804), (290, 68090), (319, 61900), (550, 35902), (580, 34045), (619, 31900), (638, 30950), (725, 27236), (1100, 17951), (1238, 15950), (1276, 15475), (1450, 13618), (1595, 12380), (2476, 7975), (2900, 6809), (3095, 6380), (3190, 6190)]