64993300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{433}}^1$

素因数の和:545

約数の個数: 72

約数和(自身を含む): 150684800

約数和(自身を除く): 85691500

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 79, 95, 100, 158, 190, 316, 380, 395, 433, 475, 790, 866, 950, 1501, 1580, 1732, 1900, 1975, 2165, 3002, 3950, 4330, 6004, 7505, 7900, 8227, 8660, 10825, 15010, 16454, 21650, 30020, 32908, 34207, 37525, 41135, 43300, 68414, 75050, 82270, 136828, 150100, 164540, 171035, 205675, 342070, 411350, 649933, 684140, 822700, 855175, 1299866, 1710350, 2599732, 3249665, 3420700, 6499330, 12998660, 16248325, 32496650, 64993300]

約数ペア:

[(1, 64993300), (2, 32496650), (4, 16248325), (5, 12998660), (10, 6499330), (19, 3420700), (20, 3249665), (25, 2599732), (38, 1710350), (50, 1299866), (76, 855175), (79, 822700), (95, 684140), (100, 649933), (158, 411350), (190, 342070), (316, 205675), (380, 171035), (395, 164540), (433, 150100), (475, 136828), (790, 82270), (866, 75050), (950, 68414), (1501, 43300), (1580, 41135), (1732, 37525), (1900, 34207), (1975, 32908), (2165, 30020), (3002, 21650), (3950, 16454), (4330, 15010), (6004, 10825), (7505, 8660), (7900, 8227)]