1294891990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{4289}}^1$

素因数の和:4549

約数の個数: 64

約数和(自身を含む): 2816985600

約数和(自身を除く): 1522093610

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 227, 266, 454, 665, 1135, 1330, 1589, 2270, 3178, 4289, 4313, 7945, 8578, 8626, 15890, 21445, 21565, 30023, 30191, 42890, 43130, 60046, 60382, 81491, 150115, 150955, 162982, 300230, 301910, 407455, 570437, 814910, 973603, 1140874, 1947206, 2852185, 4868015, 5704370, 6815221, 9736030, 13630442, 18498457, 34076105, 36996914, 68152210, 92492285, 129489199, 184984570, 258978398, 647445995, 1294891990]

約数ペア:

[(1, 1294891990), (2, 647445995), (5, 258978398), (7, 184984570), (10, 129489199), (14, 92492285), (19, 68152210), (35, 36996914), (38, 34076105), (70, 18498457), (95, 13630442), (133, 9736030), (190, 6815221), (227, 5704370), (266, 4868015), (454, 2852185), (665, 1947206), (1135, 1140874), (1330, 973603), (1589, 814910), (2270, 570437), (3178, 407455), (4289, 301910), (4313, 300230), (7945, 162982), (8578, 150955), (8626, 150115), (15890, 81491), (21445, 60382), (21565, 60046), (30023, 43130), (30191, 42890)]