1568981980

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{547}}^1\times {\mathrm{829}}^1$

素因数の和:1558

約数の個数: 48

約数和(自身を含む): 3323970720

約数和(自身を除く): 1754988740

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 547, 692, 829, 865, 1094, 1658, 1730, 2188, 2735, 3316, 3460, 4145, 5470, 8290, 10940, 16580, 94631, 143417, 189262, 286834, 378524, 453463, 473155, 573668, 717085, 906926, 946310, 1434170, 1813852, 1892620, 2267315, 2868340, 4534630, 9069260, 78449099, 156898198, 313796396, 392245495, 784490990, 1568981980]

約数ペア:

[(1, 1568981980), (2, 784490990), (4, 392245495), (5, 313796396), (10, 156898198), (20, 78449099), (173, 9069260), (346, 4534630), (547, 2868340), (692, 2267315), (829, 1892620), (865, 1813852), (1094, 1434170), (1658, 946310), (1730, 906926), (2188, 717085), (2735, 573668), (3316, 473155), (3460, 453463), (4145, 378524), (5470, 286834), (8290, 189262), (10940, 143417), (16580, 94631)]