138826250

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:225

約数の個数: 80

約数和(自身を含む): 283409280

約数和(自身を除く): 144583030

約数列:

[1, 2, 5, 10, 17, 25, 34, 47, 50, 85, 94, 125, 139, 170, 235, 250, 278, 425, 470, 625, 695, 799, 850, 1175, 1250, 1390, 1598, 2125, 2350, 2363, 3475, 3995, 4250, 4726, 5875, 6533, 6950, 7990, 10625, 11750, 11815, 13066, 17375, 19975, 21250, 23630, 29375, 32665, 34750, 39950, 58750, 59075, 65330, 86875, 99875, 111061, 118150, 163325, 173750, 199750, 222122, 295375, 326650, 499375, 555305, 590750, 816625, 998750, 1110610, 1476875, 1633250, 2776525, 2953750, 4083125, 5553050, 8166250, 13882625, 27765250, 69413125, 138826250]

約数ペア:

[(1, 138826250), (2, 69413125), (5, 27765250), (10, 13882625), (17, 8166250), (25, 5553050), (34, 4083125), (47, 2953750), (50, 2776525), (85, 1633250), (94, 1476875), (125, 1110610), (139, 998750), (170, 816625), (235, 590750), (250, 555305), (278, 499375), (425, 326650), (470, 295375), (625, 222122), (695, 199750), (799, 173750), (850, 163325), (1175, 118150), (1250, 111061), (1390, 99875), (1598, 86875), (2125, 65330), (2350, 59075), (2363, 58750), (3475, 39950), (3995, 34750), (4250, 32665), (4726, 29375), (5875, 23630), (6533, 21250), (6950, 19975), (7990, 17375), (10625, 13066), (11750, 11815)]