123886140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{17351}}^1$

素因数の和:17387

約数の個数: 96

約数和(自身を含む): 419779584

約数和(自身を除く): 295893444

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 3570, 7140, 17351, 34702, 52053, 69404, 86755, 104106, 121457, 173510, 208212, 242914, 260265, 294967, 347020, 364371, 485828, 520530, 589934, 607285, 728742, 884901, 1041060, 1179868, 1214570, 1457484, 1474835, 1769802, 1821855, 2064769, 2429140, 2949670, 3539604, 3643710, 4129538, 4424505, 5899340, 6194307, 7287420, 8259076, 8849010, 10323845, 12388614, 17698020, 20647690, 24777228, 30971535, 41295380, 61943070, 123886140]

約数ペア:

[(1, 123886140), (2, 61943070), (3, 41295380), (4, 30971535), (5, 24777228), (6, 20647690), (7, 17698020), (10, 12388614), (12, 10323845), (14, 8849010), (15, 8259076), (17, 7287420), (20, 6194307), (21, 5899340), (28, 4424505), (30, 4129538), (34, 3643710), (35, 3539604), (42, 2949670), (51, 2429140), (60, 2064769), (68, 1821855), (70, 1769802), (84, 1474835), (85, 1457484), (102, 1214570), (105, 1179868), (119, 1041060), (140, 884901), (170, 728742), (204, 607285), (210, 589934), (238, 520530), (255, 485828), (340, 364371), (357, 347020), (420, 294967), (476, 260265), (510, 242914), (595, 208212), (714, 173510), (1020, 121457), (1190, 104106), (1428, 86755), (1785, 69404), (2380, 52053), (3570, 34702), (7140, 17351)]