28816830

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:295

約数の個数: 128

約数和(自身を含む): 89395200

約数和(自身を除く): 60578370

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 79, 90, 105, 126, 135, 158, 189, 193, 210, 237, 270, 315, 378, 386, 395, 474, 553, 579, 630, 711, 790, 945, 965, 1106, 1158, 1185, 1351, 1422, 1659, 1737, 1890, 1930, 2133, 2370, 2702, 2765, 2895, 3318, 3474, 3555, 4053, 4266, 4977, 5211, 5530, 5790, 6755, 7110, 8106, 8295, 8685, 9954, 10422, 10665, 12159, 13510, 14931, 15247, 16590, 17370, 20265, 21330, 24318, 24885, 26055, 29862, 30494, 36477, 40530, 45741, 49770, 52110, 60795, 72954, 74655, 76235, 91482, 106729, 121590, 137223, 149310, 152470, 182385, 213458, 228705, 274446, 320187, 364770, 411669, 457410, 533645, 640374, 686115, 823338, 960561, 1067290, 1372230, 1600935, 1921122, 2058345, 2881683, 3201870, 4116690, 4802805, 5763366, 9605610, 14408415, 28816830]

約数ペア:

[(1, 28816830), (2, 14408415), (3, 9605610), (5, 5763366), (6, 4802805), (7, 4116690), (9, 3201870), (10, 2881683), (14, 2058345), (15, 1921122), (18, 1600935), (21, 1372230), (27, 1067290), (30, 960561), (35, 823338), (42, 686115), (45, 640374), (54, 533645), (63, 457410), (70, 411669), (79, 364770), (90, 320187), (105, 274446), (126, 228705), (135, 213458), (158, 182385), (189, 152470), (193, 149310), (210, 137223), (237, 121590), (270, 106729), (315, 91482), (378, 76235), (386, 74655), (395, 72954), (474, 60795), (553, 52110), (579, 49770), (630, 45741), (711, 40530), (790, 36477), (945, 30494), (965, 29862), (1106, 26055), (1158, 24885), (1185, 24318), (1351, 21330), (1422, 20265), (1659, 17370), (1737, 16590), (1890, 15247), (1930, 14931), (2133, 13510), (2370, 12159), (2702, 10665), (2765, 10422), (2895, 9954), (3318, 8685), (3474, 8295), (3555, 8106), (4053, 7110), (4266, 6755), (4977, 5790), (5211, 5530)]