213804580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{5197}}^1$

素因数の和:5245

約数の個数: 72

約数和(自身を含む): 522648504

約数和(自身を除く): 308843924

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 121, 170, 187, 220, 242, 340, 374, 484, 605, 748, 935, 1210, 1870, 2057, 2420, 3740, 4114, 5197, 8228, 10285, 10394, 20570, 20788, 25985, 41140, 51970, 57167, 88349, 103940, 114334, 176698, 228668, 285835, 353396, 441745, 571670, 628837, 883490, 971839, 1143340, 1257674, 1766980, 1943678, 2515348, 3144185, 3887356, 4859195, 6288370, 9718390, 10690229, 12576740, 19436780, 21380458, 42760916, 53451145, 106902290, 213804580]

約数ペア:

[(1, 213804580), (2, 106902290), (4, 53451145), (5, 42760916), (10, 21380458), (11, 19436780), (17, 12576740), (20, 10690229), (22, 9718390), (34, 6288370), (44, 4859195), (55, 3887356), (68, 3144185), (85, 2515348), (110, 1943678), (121, 1766980), (170, 1257674), (187, 1143340), (220, 971839), (242, 883490), (340, 628837), (374, 571670), (484, 441745), (605, 353396), (748, 285835), (935, 228668), (1210, 176698), (1870, 114334), (2057, 103940), (2420, 88349), (3740, 57167), (4114, 51970), (5197, 41140), (8228, 25985), (10285, 20788), (10394, 20570)]