28149030

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{491}}^1$

素因数の和:531

約数の個数: 144

約数和(自身を含む): 91872144

約数和(自身を除く): 63723114

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 49, 63, 65, 70, 78, 90, 91, 98, 105, 117, 126, 130, 147, 182, 195, 210, 234, 245, 273, 294, 315, 390, 441, 455, 490, 491, 546, 585, 630, 637, 735, 819, 882, 910, 982, 1170, 1274, 1365, 1470, 1473, 1638, 1911, 2205, 2455, 2730, 2946, 3185, 3437, 3822, 4095, 4410, 4419, 4910, 5733, 6370, 6383, 6874, 7365, 8190, 8838, 9555, 10311, 11466, 12766, 14730, 17185, 19110, 19149, 20622, 22095, 24059, 28665, 30933, 31915, 34370, 38298, 44190, 44681, 48118, 51555, 57330, 57447, 61866, 63830, 72177, 89362, 95745, 103110, 114894, 120295, 134043, 144354, 154665, 191490, 216531, 223405, 240590, 268086, 287235, 309330, 312767, 360885, 402129, 433062, 446810, 574470, 625534, 670215, 721770, 804258, 938301, 1082655, 1340430, 1563835, 1876602, 2010645, 2165310, 2814903, 3127670, 4021290, 4691505, 5629806, 9383010, 14074515, 28149030]

約数ペア:

[(1, 28149030), (2, 14074515), (3, 9383010), (5, 5629806), (6, 4691505), (7, 4021290), (9, 3127670), (10, 2814903), (13, 2165310), (14, 2010645), (15, 1876602), (18, 1563835), (21, 1340430), (26, 1082655), (30, 938301), (35, 804258), (39, 721770), (42, 670215), (45, 625534), (49, 574470), (63, 446810), (65, 433062), (70, 402129), (78, 360885), (90, 312767), (91, 309330), (98, 287235), (105, 268086), (117, 240590), (126, 223405), (130, 216531), (147, 191490), (182, 154665), (195, 144354), (210, 134043), (234, 120295), (245, 114894), (273, 103110), (294, 95745), (315, 89362), (390, 72177), (441, 63830), (455, 61866), (490, 57447), (491, 57330), (546, 51555), (585, 48118), (630, 44681), (637, 44190), (735, 38298), (819, 34370), (882, 31915), (910, 30933), (982, 28665), (1170, 24059), (1274, 22095), (1365, 20622), (1470, 19149), (1473, 19110), (1638, 17185), (1911, 14730), (2205, 12766), (2455, 11466), (2730, 10311), (2946, 9555), (3185, 8838), (3437, 8190), (3822, 7365), (4095, 6874), (4410, 6383), (4419, 6370), (4910, 5733)]