2190320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:174

約数の個数: 80

約数和(自身を含む): 5892480

約数和(自身を除く): 3702160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 131, 152, 176, 190, 209, 220, 262, 304, 380, 418, 440, 524, 655, 760, 836, 880, 1045, 1048, 1310, 1441, 1520, 1672, 2090, 2096, 2489, 2620, 2882, 3344, 4180, 4978, 5240, 5764, 7205, 8360, 9956, 10480, 11528, 12445, 14410, 16720, 19912, 23056, 24890, 27379, 28820, 39824, 49780, 54758, 57640, 99560, 109516, 115280, 136895, 199120, 219032, 273790, 438064, 547580, 1095160, 2190320]

約数ペア:

[(1, 2190320), (2, 1095160), (4, 547580), (5, 438064), (8, 273790), (10, 219032), (11, 199120), (16, 136895), (19, 115280), (20, 109516), (22, 99560), (38, 57640), (40, 54758), (44, 49780), (55, 39824), (76, 28820), (80, 27379), (88, 24890), (95, 23056), (110, 19912), (131, 16720), (152, 14410), (176, 12445), (190, 11528), (209, 10480), (220, 9956), (262, 8360), (304, 7205), (380, 5764), (418, 5240), (440, 4978), (524, 4180), (655, 3344), (760, 2882), (836, 2620), (880, 2489), (1045, 2096), (1048, 2090), (1310, 1672), (1441, 1520)]