205654428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{263}}^1$

素因数の和:416

約数の個数: 144

約数和(自身を含む): 622702080

約数和(自身を除く): 417047652

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 107, 116, 126, 174, 203, 214, 252, 261, 263, 321, 348, 406, 428, 522, 526, 609, 642, 749, 789, 812, 963, 1044, 1052, 1218, 1284, 1498, 1578, 1827, 1841, 1926, 2247, 2367, 2436, 2996, 3103, 3156, 3654, 3682, 3852, 4494, 4734, 5523, 6206, 6741, 7308, 7364, 7627, 8988, 9309, 9468, 11046, 12412, 13482, 15254, 16569, 18618, 21721, 22092, 22881, 26964, 27927, 28141, 30508, 33138, 37236, 43442, 45762, 53389, 55854, 56282, 65163, 66276, 68643, 84423, 86884, 91524, 106778, 111708, 112564, 130326, 137286, 160167, 168846, 195489, 196987, 213556, 253269, 260652, 274572, 320334, 337692, 390978, 393974, 480501, 506538, 590961, 640668, 781956, 787948, 816089, 961002, 1013076, 1181922, 1632178, 1772883, 1922004, 2363844, 2448267, 3264356, 3545766, 4896534, 5712623, 7091532, 7344801, 9793068, 11425246, 14689602, 17137869, 22850492, 29379204, 34275738, 51413607, 68551476, 102827214, 205654428]

約数ペア:

[(1, 205654428), (2, 102827214), (3, 68551476), (4, 51413607), (6, 34275738), (7, 29379204), (9, 22850492), (12, 17137869), (14, 14689602), (18, 11425246), (21, 9793068), (28, 7344801), (29, 7091532), (36, 5712623), (42, 4896534), (58, 3545766), (63, 3264356), (84, 2448267), (87, 2363844), (107, 1922004), (116, 1772883), (126, 1632178), (174, 1181922), (203, 1013076), (214, 961002), (252, 816089), (261, 787948), (263, 781956), (321, 640668), (348, 590961), (406, 506538), (428, 480501), (522, 393974), (526, 390978), (609, 337692), (642, 320334), (749, 274572), (789, 260652), (812, 253269), (963, 213556), (1044, 196987), (1052, 195489), (1218, 168846), (1284, 160167), (1498, 137286), (1578, 130326), (1827, 112564), (1841, 111708), (1926, 106778), (2247, 91524), (2367, 86884), (2436, 84423), (2996, 68643), (3103, 66276), (3156, 65163), (3654, 56282), (3682, 55854), (3852, 53389), (4494, 45762), (4734, 43442), (5523, 37236), (6206, 33138), (6741, 30508), (7308, 28141), (7364, 27927), (7627, 26964), (8988, 22881), (9309, 22092), (9468, 21721), (11046, 18618), (12412, 16569), (13482, 15254)]