219646980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3709}}^1$

素因数の和:3778

約数の個数: 144

約数和(自身を含む): 777853440

約数和(自身を除く): 558206460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 60, 63, 70, 84, 90, 94, 105, 126, 140, 141, 180, 188, 210, 235, 252, 282, 315, 329, 420, 423, 470, 564, 630, 658, 705, 846, 940, 987, 1260, 1316, 1410, 1645, 1692, 1974, 2115, 2820, 2961, 3290, 3709, 3948, 4230, 4935, 5922, 6580, 7418, 8460, 9870, 11127, 11844, 14805, 14836, 18545, 19740, 22254, 25963, 29610, 33381, 37090, 44508, 51926, 55635, 59220, 66762, 74180, 77889, 103852, 111270, 129815, 133524, 155778, 166905, 174323, 222540, 233667, 259630, 311556, 333810, 348646, 389445, 467334, 519260, 522969, 667620, 697292, 778890, 871615, 934668, 1045938, 1168335, 1220261, 1557780, 1568907, 1743230, 2091876, 2336670, 2440522, 2614845, 3137814, 3486460, 3660783, 4673340, 4881044, 5229690, 6101305, 6275628, 7321566, 7844535, 10459380, 10982349, 12202610, 14643132, 15689070, 18303915, 21964698, 24405220, 31378140, 36607830, 43929396, 54911745, 73215660, 109823490, 219646980]

約数ペア:

[(1, 219646980), (2, 109823490), (3, 73215660), (4, 54911745), (5, 43929396), (6, 36607830), (7, 31378140), (9, 24405220), (10, 21964698), (12, 18303915), (14, 15689070), (15, 14643132), (18, 12202610), (20, 10982349), (21, 10459380), (28, 7844535), (30, 7321566), (35, 6275628), (36, 6101305), (42, 5229690), (45, 4881044), (47, 4673340), (60, 3660783), (63, 3486460), (70, 3137814), (84, 2614845), (90, 2440522), (94, 2336670), (105, 2091876), (126, 1743230), (140, 1568907), (141, 1557780), (180, 1220261), (188, 1168335), (210, 1045938), (235, 934668), (252, 871615), (282, 778890), (315, 697292), (329, 667620), (420, 522969), (423, 519260), (470, 467334), (564, 389445), (630, 348646), (658, 333810), (705, 311556), (846, 259630), (940, 233667), (987, 222540), (1260, 174323), (1316, 166905), (1410, 155778), (1645, 133524), (1692, 129815), (1974, 111270), (2115, 103852), (2820, 77889), (2961, 74180), (3290, 66762), (3709, 59220), (3948, 55635), (4230, 51926), (4935, 44508), (5922, 37090), (6580, 33381), (7418, 29610), (8460, 25963), (9870, 22254), (11127, 19740), (11844, 18545), (14805, 14836)]