221788140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{27793}}^1$

素因数の和:27831

約数の個数: 96

約数和(自身を含む): 747102720

約数和(自身を除く): 525314580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 27793, 55586, 83379, 111172, 138965, 166758, 194551, 277930, 333516, 389102, 416895, 528067, 555860, 583653, 778204, 833790, 972755, 1056134, 1167306, 1584201, 1667580, 1945510, 2112268, 2334612, 2640335, 2918265, 3168402, 3696469, 3891020, 5280670, 5836530, 6336804, 7392938, 7921005, 10561340, 11089407, 11673060, 14785876, 15842010, 18482345, 22178814, 31684020, 36964690, 44357628, 55447035, 73929380, 110894070, 221788140]

約数ペア:

[(1, 221788140), (2, 110894070), (3, 73929380), (4, 55447035), (5, 44357628), (6, 36964690), (7, 31684020), (10, 22178814), (12, 18482345), (14, 15842010), (15, 14785876), (19, 11673060), (20, 11089407), (21, 10561340), (28, 7921005), (30, 7392938), (35, 6336804), (38, 5836530), (42, 5280670), (57, 3891020), (60, 3696469), (70, 3168402), (76, 2918265), (84, 2640335), (95, 2334612), (105, 2112268), (114, 1945510), (133, 1667580), (140, 1584201), (190, 1167306), (210, 1056134), (228, 972755), (266, 833790), (285, 778204), (380, 583653), (399, 555860), (420, 528067), (532, 416895), (570, 389102), (665, 333516), (798, 277930), (1140, 194551), (1330, 166758), (1596, 138965), (1995, 111172), (2660, 83379), (3990, 55586), (7980, 27793)]