420647556

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1$

素因数の和:590

約数の個数: 144

約数和(自身を含む): 1206116352

約数和(自身を除く): 785468796

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 47, 49, 62, 84, 93, 94, 98, 124, 141, 147, 186, 188, 196, 217, 282, 294, 329, 372, 434, 491, 564, 588, 651, 658, 868, 982, 987, 1302, 1316, 1457, 1473, 1519, 1964, 1974, 2303, 2604, 2914, 2946, 3038, 3437, 3948, 4371, 4557, 4606, 5828, 5892, 6076, 6874, 6909, 8742, 9114, 9212, 10199, 10311, 13748, 13818, 15221, 17484, 18228, 20398, 20622, 23077, 24059, 27636, 30442, 30597, 40796, 41244, 45663, 46154, 48118, 60884, 61194, 69231, 71393, 72177, 91326, 92308, 96236, 106547, 122388, 138462, 142786, 144354, 161539, 182652, 213094, 214179, 276924, 285572, 288708, 319641, 323078, 426188, 428358, 484617, 639282, 646156, 715387, 745829, 856716, 969234, 1130773, 1278564, 1430774, 1491658, 1938468, 2146161, 2237487, 2261546, 2861548, 2983316, 3392319, 4292322, 4474974, 4523092, 5007709, 6784638, 8584644, 8949948, 10015418, 13569276, 15023127, 20030836, 30046254, 35053963, 60092508, 70107926, 105161889, 140215852, 210323778, 420647556]

約数ペア:

[(1, 420647556), (2, 210323778), (3, 140215852), (4, 105161889), (6, 70107926), (7, 60092508), (12, 35053963), (14, 30046254), (21, 20030836), (28, 15023127), (31, 13569276), (42, 10015418), (47, 8949948), (49, 8584644), (62, 6784638), (84, 5007709), (93, 4523092), (94, 4474974), (98, 4292322), (124, 3392319), (141, 2983316), (147, 2861548), (186, 2261546), (188, 2237487), (196, 2146161), (217, 1938468), (282, 1491658), (294, 1430774), (329, 1278564), (372, 1130773), (434, 969234), (491, 856716), (564, 745829), (588, 715387), (651, 646156), (658, 639282), (868, 484617), (982, 428358), (987, 426188), (1302, 323078), (1316, 319641), (1457, 288708), (1473, 285572), (1519, 276924), (1964, 214179), (1974, 213094), (2303, 182652), (2604, 161539), (2914, 144354), (2946, 142786), (3038, 138462), (3437, 122388), (3948, 106547), (4371, 96236), (4557, 92308), (4606, 91326), (5828, 72177), (5892, 71393), (6076, 69231), (6874, 61194), (6909, 60884), (8742, 48118), (9114, 46154), (9212, 45663), (10199, 41244), (10311, 40796), (13748, 30597), (13818, 30442), (15221, 27636), (17484, 24059), (18228, 23077), (20398, 20622)]