280121292

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{601}}^1$

素因数の和:740

約数の個数: 108

約数和(自身を含む): 786888648

約数和(自身を除く): 506767356

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 107, 121, 132, 198, 214, 242, 321, 363, 396, 428, 484, 601, 642, 726, 963, 1089, 1177, 1202, 1284, 1452, 1803, 1926, 2178, 2354, 2404, 3531, 3606, 3852, 4356, 4708, 5409, 6611, 7062, 7212, 10593, 10818, 12947, 13222, 14124, 19833, 21186, 21636, 25894, 26444, 38841, 39666, 42372, 51788, 59499, 64307, 72721, 77682, 79332, 116523, 118998, 128614, 145442, 155364, 192921, 218163, 233046, 237996, 257228, 290884, 385842, 436326, 466092, 578763, 654489, 707377, 771684, 872652, 1157526, 1308978, 1414754, 2122131, 2315052, 2617956, 2829508, 4244262, 6366393, 7781147, 8488524, 12732786, 15562294, 23343441, 25465572, 31124588, 46686882, 70030323, 93373764, 140060646, 280121292]

約数ペア:

[(1, 280121292), (2, 140060646), (3, 93373764), (4, 70030323), (6, 46686882), (9, 31124588), (11, 25465572), (12, 23343441), (18, 15562294), (22, 12732786), (33, 8488524), (36, 7781147), (44, 6366393), (66, 4244262), (99, 2829508), (107, 2617956), (121, 2315052), (132, 2122131), (198, 1414754), (214, 1308978), (242, 1157526), (321, 872652), (363, 771684), (396, 707377), (428, 654489), (484, 578763), (601, 466092), (642, 436326), (726, 385842), (963, 290884), (1089, 257228), (1177, 237996), (1202, 233046), (1284, 218163), (1452, 192921), (1803, 155364), (1926, 145442), (2178, 128614), (2354, 118998), (2404, 116523), (3531, 79332), (3606, 77682), (3852, 72721), (4356, 64307), (4708, 59499), (5409, 51788), (6611, 42372), (7062, 39666), (7212, 38841), (10593, 26444), (10818, 25894), (12947, 21636), (13222, 21186), (14124, 19833)]