29912920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{241}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 70567200

約数和(自身を除く): 40654280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 107, 116, 145, 214, 232, 241, 290, 428, 482, 535, 580, 856, 964, 1070, 1160, 1205, 1928, 2140, 2410, 3103, 4280, 4820, 6206, 6989, 9640, 12412, 13978, 15515, 24824, 25787, 27956, 31030, 34945, 51574, 55912, 62060, 69890, 103148, 124120, 128935, 139780, 206296, 257870, 279560, 515740, 747823, 1031480, 1495646, 2991292, 3739115, 5982584, 7478230, 14956460, 29912920]

約数ペア:

[(1, 29912920), (2, 14956460), (4, 7478230), (5, 5982584), (8, 3739115), (10, 2991292), (20, 1495646), (29, 1031480), (40, 747823), (58, 515740), (107, 279560), (116, 257870), (145, 206296), (214, 139780), (232, 128935), (241, 124120), (290, 103148), (428, 69890), (482, 62060), (535, 55912), (580, 51574), (856, 34945), (964, 31030), (1070, 27956), (1160, 25787), (1205, 24824), (1928, 15515), (2140, 13978), (2410, 12412), (3103, 9640), (4280, 6989), (4820, 6206)]