1990291248

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{1109}}^1$

素因数の和:1248

約数の個数: 180

約数和(自身を含む): 6187468560

約数和(自身を除く): 4197177312

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 103, 121, 132, 144, 176, 198, 206, 242, 264, 309, 363, 396, 412, 484, 528, 618, 726, 792, 824, 927, 968, 1089, 1109, 1133, 1236, 1452, 1584, 1648, 1854, 1936, 2178, 2218, 2266, 2472, 2904, 3327, 3399, 3708, 4356, 4436, 4532, 4944, 5808, 6654, 6798, 7416, 8712, 8872, 9064, 9981, 10197, 12199, 12463, 13308, 13596, 14832, 17424, 17744, 18128, 19962, 20394, 24398, 24926, 26616, 27192, 36597, 37389, 39924, 40788, 48796, 49852, 53232, 54384, 73194, 74778, 79848, 81576, 97592, 99704, 109791, 112167, 114227, 134189, 146388, 149556, 159696, 163152, 195184, 199408, 219582, 224334, 228454, 268378, 292776, 299112, 342681, 402567, 439164, 448668, 456908, 536756, 585552, 598224, 685362, 805134, 878328, 897336, 913816, 1028043, 1073512, 1207701, 1256497, 1370724, 1610268, 1756656, 1794672, 1827632, 2056086, 2147024, 2415402, 2512994, 2741448, 3220536, 3769491, 4112172, 4830804, 5025988, 5482896, 6441072, 7538982, 8224344, 9661608, 10051976, 11308473, 13821467, 15077964, 16448688, 19323216, 20103952, 22616946, 27642934, 30155928, 41464401, 45233892, 55285868, 60311856, 82928802, 90467784, 110571736, 124393203, 165857604, 180935568, 221143472, 248786406, 331715208, 497572812, 663430416, 995145624, 1990291248]

約数ペア:

[(1, 1990291248), (2, 995145624), (3, 663430416), (4, 497572812), (6, 331715208), (8, 248786406), (9, 221143472), (11, 180935568), (12, 165857604), (16, 124393203), (18, 110571736), (22, 90467784), (24, 82928802), (33, 60311856), (36, 55285868), (44, 45233892), (48, 41464401), (66, 30155928), (72, 27642934), (88, 22616946), (99, 20103952), (103, 19323216), (121, 16448688), (132, 15077964), (144, 13821467), (176, 11308473), (198, 10051976), (206, 9661608), (242, 8224344), (264, 7538982), (309, 6441072), (363, 5482896), (396, 5025988), (412, 4830804), (484, 4112172), (528, 3769491), (618, 3220536), (726, 2741448), (792, 2512994), (824, 2415402), (927, 2147024), (968, 2056086), (1089, 1827632), (1109, 1794672), (1133, 1756656), (1236, 1610268), (1452, 1370724), (1584, 1256497), (1648, 1207701), (1854, 1073512), (1936, 1028043), (2178, 913816), (2218, 897336), (2266, 878328), (2472, 805134), (2904, 685362), (3327, 598224), (3399, 585552), (3708, 536756), (4356, 456908), (4436, 448668), (4532, 439164), (4944, 402567), (5808, 342681), (6654, 299112), (6798, 292776), (7416, 268378), (8712, 228454), (8872, 224334), (9064, 219582), (9981, 199408), (10197, 195184), (12199, 163152), (12463, 159696), (13308, 149556), (13596, 146388), (14832, 134189), (17424, 114227), (17744, 112167), (18128, 109791), (19962, 99704), (20394, 97592), (24398, 81576), (24926, 79848), (26616, 74778), (27192, 73194), (36597, 54384), (37389, 53232), (39924, 49852), (40788, 48796)]