420825804

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1721}}^1$

素因数の和:1847

約数の個数: 96

約数和(自身を含む): 1166441472

約数和(自身を除く): 745615668

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 71, 82, 84, 123, 142, 164, 213, 246, 284, 287, 426, 492, 497, 574, 852, 861, 994, 1148, 1491, 1721, 1722, 1988, 2911, 2982, 3442, 3444, 5163, 5822, 5964, 6884, 8733, 10326, 11644, 12047, 17466, 20377, 20652, 24094, 34932, 36141, 40754, 48188, 61131, 70561, 72282, 81508, 122191, 122262, 141122, 144564, 211683, 244382, 244524, 282244, 366573, 423366, 488764, 493927, 733146, 846732, 855337, 987854, 1466292, 1481781, 1710674, 1975708, 2566011, 2963562, 3421348, 5009831, 5132022, 5927124, 10019662, 10264044, 15029493, 20039324, 30058986, 35068817, 60117972, 70137634, 105206451, 140275268, 210412902, 420825804]

約数ペア:

[(1, 420825804), (2, 210412902), (3, 140275268), (4, 105206451), (6, 70137634), (7, 60117972), (12, 35068817), (14, 30058986), (21, 20039324), (28, 15029493), (41, 10264044), (42, 10019662), (71, 5927124), (82, 5132022), (84, 5009831), (123, 3421348), (142, 2963562), (164, 2566011), (213, 1975708), (246, 1710674), (284, 1481781), (287, 1466292), (426, 987854), (492, 855337), (497, 846732), (574, 733146), (852, 493927), (861, 488764), (994, 423366), (1148, 366573), (1491, 282244), (1721, 244524), (1722, 244382), (1988, 211683), (2911, 144564), (2982, 141122), (3442, 122262), (3444, 122191), (5163, 81508), (5822, 72282), (5964, 70561), (6884, 61131), (8733, 48188), (10326, 40754), (11644, 36141), (12047, 34932), (17466, 24094), (20377, 20652)]