349956520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1\times {\mathrm{769}}^1$

素因数の和:1178

約数の個数: 64

約数和(自身を含む): 816076800

約数和(自身を除く): 466120280

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 367, 620, 734, 769, 1240, 1468, 1538, 1835, 2936, 3076, 3670, 3845, 6152, 7340, 7690, 11377, 14680, 15380, 22754, 23839, 30760, 45508, 47678, 56885, 91016, 95356, 113770, 119195, 190712, 227540, 238390, 282223, 455080, 476780, 564446, 953560, 1128892, 1411115, 2257784, 2822230, 5644460, 8748913, 11288920, 17497826, 34995652, 43744565, 69991304, 87489130, 174978260, 349956520]

約数ペア:

[(1, 349956520), (2, 174978260), (4, 87489130), (5, 69991304), (8, 43744565), (10, 34995652), (20, 17497826), (31, 11288920), (40, 8748913), (62, 5644460), (124, 2822230), (155, 2257784), (248, 1411115), (310, 1128892), (367, 953560), (620, 564446), (734, 476780), (769, 455080), (1240, 282223), (1468, 238390), (1538, 227540), (1835, 190712), (2936, 119195), (3076, 113770), (3670, 95356), (3845, 91016), (6152, 56885), (7340, 47678), (7690, 45508), (11377, 30760), (14680, 23839), (15380, 22754)]