78400188

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{829}}^1$

素因数の和:947

約数の個数: 72

約数和(自身を含む): 206650080

約数和(自身を除く): 128249892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 71, 74, 111, 142, 148, 213, 222, 284, 333, 426, 444, 639, 666, 829, 852, 1278, 1332, 1658, 2487, 2556, 2627, 3316, 4974, 5254, 7461, 7881, 9948, 10508, 14922, 15762, 23643, 29844, 30673, 31524, 47286, 58859, 61346, 92019, 94572, 117718, 122692, 176577, 184038, 235436, 276057, 353154, 368076, 529731, 552114, 706308, 1059462, 1104228, 2118924, 2177783, 4355566, 6533349, 8711132, 13066698, 19600047, 26133396, 39200094, 78400188]

約数ペア:

[(1, 78400188), (2, 39200094), (3, 26133396), (4, 19600047), (6, 13066698), (9, 8711132), (12, 6533349), (18, 4355566), (36, 2177783), (37, 2118924), (71, 1104228), (74, 1059462), (111, 706308), (142, 552114), (148, 529731), (213, 368076), (222, 353154), (284, 276057), (333, 235436), (426, 184038), (444, 176577), (639, 122692), (666, 117718), (829, 94572), (852, 92019), (1278, 61346), (1332, 58859), (1658, 47286), (2487, 31524), (2556, 30673), (2627, 29844), (3316, 23643), (4974, 15762), (5254, 14922), (7461, 10508), (7881, 9948)]