258134920

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{1579}}^1$

素因数の和:1718

約数の個数: 64

約数和(自身を含む): 599515200

約数和(自身を除く): 341380280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 67, 122, 134, 244, 268, 305, 335, 488, 536, 610, 670, 1220, 1340, 1579, 2440, 2680, 3158, 4087, 6316, 7895, 8174, 12632, 15790, 16348, 20435, 31580, 32696, 40870, 63160, 81740, 96319, 105793, 163480, 192638, 211586, 385276, 423172, 481595, 528965, 770552, 846344, 963190, 1057930, 1926380, 2115860, 3852760, 4231720, 6453373, 12906746, 25813492, 32266865, 51626984, 64533730, 129067460, 258134920]

約数ペア:

[(1, 258134920), (2, 129067460), (4, 64533730), (5, 51626984), (8, 32266865), (10, 25813492), (20, 12906746), (40, 6453373), (61, 4231720), (67, 3852760), (122, 2115860), (134, 1926380), (244, 1057930), (268, 963190), (305, 846344), (335, 770552), (488, 528965), (536, 481595), (610, 423172), (670, 385276), (1220, 211586), (1340, 192638), (1579, 163480), (2440, 105793), (2680, 96319), (3158, 81740), (4087, 63160), (6316, 40870), (7895, 32696), (8174, 31580), (12632, 20435), (15790, 16348)]