256388652

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2099}}^1$

素因数の和:2157

約数の個数: 120

約数和(自身を含む): 747054000

約数和(自身を除く): 490665348

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 29, 36, 39, 52, 54, 58, 78, 81, 87, 108, 116, 117, 156, 162, 174, 234, 261, 324, 348, 351, 377, 468, 522, 702, 754, 783, 1044, 1053, 1131, 1404, 1508, 1566, 2099, 2106, 2262, 2349, 3132, 3393, 4198, 4212, 4524, 4698, 6297, 6786, 8396, 9396, 10179, 12594, 13572, 18891, 20358, 25188, 27287, 30537, 37782, 40716, 54574, 56673, 60871, 61074, 75564, 81861, 109148, 113346, 121742, 122148, 163722, 170019, 182613, 226692, 243484, 245583, 327444, 340038, 365226, 491166, 547839, 680076, 730452, 736749, 791323, 982332, 1095678, 1473498, 1582646, 1643517, 2191356, 2210247, 2373969, 2946996, 3165292, 3287034, 4420494, 4747938, 4930551, 6574068, 7121907, 8840988, 9495876, 9861102, 14243814, 19722204, 21365721, 28487628, 42731442, 64097163, 85462884, 128194326, 256388652]

約数ペア:

[(1, 256388652), (2, 128194326), (3, 85462884), (4, 64097163), (6, 42731442), (9, 28487628), (12, 21365721), (13, 19722204), (18, 14243814), (26, 9861102), (27, 9495876), (29, 8840988), (36, 7121907), (39, 6574068), (52, 4930551), (54, 4747938), (58, 4420494), (78, 3287034), (81, 3165292), (87, 2946996), (108, 2373969), (116, 2210247), (117, 2191356), (156, 1643517), (162, 1582646), (174, 1473498), (234, 1095678), (261, 982332), (324, 791323), (348, 736749), (351, 730452), (377, 680076), (468, 547839), (522, 491166), (702, 365226), (754, 340038), (783, 327444), (1044, 245583), (1053, 243484), (1131, 226692), (1404, 182613), (1508, 170019), (1566, 163722), (2099, 122148), (2106, 121742), (2262, 113346), (2349, 109148), (3132, 81861), (3393, 75564), (4198, 61074), (4212, 60871), (4524, 56673), (4698, 54574), (6297, 40716), (6786, 37782), (8396, 30537), (9396, 27287), (10179, 25188), (12594, 20358), (13572, 18891)]