2787014020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{186049}}^1$

素因数の和:186172

約数の個数: 48

約数和(自身を含む): 6751382400

約数和(自身を除く): 3964368380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 2140, 2996, 3745, 7490, 14980, 186049, 372098, 744196, 930245, 1302343, 1860490, 2604686, 3720980, 5209372, 6511715, 13023430, 19907243, 26046860, 39814486, 79628972, 99536215, 139350701, 199072430, 278701402, 398144860, 557402804, 696753505, 1393507010, 2787014020]

約数ペア:

[(1, 2787014020), (2, 1393507010), (4, 696753505), (5, 557402804), (7, 398144860), (10, 278701402), (14, 199072430), (20, 139350701), (28, 99536215), (35, 79628972), (70, 39814486), (107, 26046860), (140, 19907243), (214, 13023430), (428, 6511715), (535, 5209372), (749, 3720980), (1070, 2604686), (1498, 1860490), (2140, 1302343), (2996, 930245), (3745, 744196), (7490, 372098), (14980, 186049)]