19983969320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{619}}^1\times {\mathrm{115301}}^1$

素因数の和:115938

約数の個数: 64

約数和(自身を含む): 51470812800

約数和(自身を除く): 31486843480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 619, 1238, 2476, 3095, 4333, 4952, 6190, 8666, 12380, 17332, 21665, 24760, 34664, 43330, 86660, 115301, 173320, 230602, 461204, 576505, 807107, 922408, 1153010, 1614214, 2306020, 3228428, 4035535, 4612040, 6456856, 8071070, 16142140, 32284280, 71371319, 142742638, 285485276, 356856595, 499599233, 570970552, 713713190, 999198466, 1427426380, 1998396932, 2497996165, 2854852760, 3996793864, 4995992330, 9991984660, 19983969320]

約数ペア:

[(1, 19983969320), (2, 9991984660), (4, 4995992330), (5, 3996793864), (7, 2854852760), (8, 2497996165), (10, 1998396932), (14, 1427426380), (20, 999198466), (28, 713713190), (35, 570970552), (40, 499599233), (56, 356856595), (70, 285485276), (140, 142742638), (280, 71371319), (619, 32284280), (1238, 16142140), (2476, 8071070), (3095, 6456856), (4333, 4612040), (4952, 4035535), (6190, 3228428), (8666, 2306020), (12380, 1614214), (17332, 1153010), (21665, 922408), (24760, 807107), (34664, 576505), (43330, 461204), (86660, 230602), (115301, 173320)]